55974401 has 8 divisors (see below), whose sum is σ = 64122624. Its totient is φ = 47864160.

The previous prime is 55974397. The next prime is 55974407. The reversal of 55974401 is 10447955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55974401 - 2² = 55974397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55974407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6260 + ... + 12293.

It is an arithmetic number, because the mean of its divisors is an integer number (8015328).

Almost surely, 2^55974401 is an apocalyptic number.

It is an amenable number.

55974401 is a deficient number, since it is larger than the sum of its proper divisors (8148223).

55974401 is a wasteful number, since it uses less digits than its factorization.

55974401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18991.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 55974401 is about 7481.6041729030. The cubic root of 55974401 is about 382.5279310915.

The spelling of 55974401 in words is "fifty-five million, nine hundred seventy-four thousand, four hundred one".