68020554 has 32 divisors (see below), whose sum is σ = 156283776. Its totient is φ = 19333440.

The previous prime is 68020543. The next prime is 68020567. The reversal of 68020554 is 45502086.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4164 + ... + 12384.

It is an arithmetic number, because the mean of its divisors is an integer number (4883868).

Almost surely, 2^68020554 is an apocalyptic number.

68020554 is an abundant number, since it is smaller than the sum of its proper divisors (88263222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68020554 is a wasteful number, since it uses less digits than its factorization.

68020554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8430.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 68020554 is about 8247.4574263830. The cubic root of 68020554 is about 408.2066307249.

The spelling of 68020554 in words is "sixty-eight million, twenty thousand, five hundred fifty-four".