55331351 has 2 divisors, whose sum is σ = 55331352. Its totient is φ = 55331350.

The previous prime is 55331327. The next prime is 55331357. The reversal of 55331351 is 15313355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55331351 - 2¹⁴ = 55314967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55331351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55331357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27665675 + 27665676.

It is an arithmetic number, because the mean of its divisors is an integer number (27665676).

Almost surely, 2^55331351 is an apocalyptic number.

55331351 is a deficient number, since it is larger than the sum of its proper divisors (1).

55331351 is an equidigital number, since it uses as much as digits as its factorization.

55331351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3375, while the sum is 26.

The square root of 55331351 is about 7438.5046212260. The cubic root of 55331351 is about 381.0574218306.

The spelling of 55331351 in words is "fifty-five million, three hundred thirty-one thousand, three hundred fifty-one".