55808401 has 8 divisors (see below), whose sum is σ = 62846208. Its totient is φ = 49098000.

The previous prime is 55808381. The next prime is 55808413. The reversal of 55808401 is 10480855.

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 55808401 - 2⁵ = 55808369 is a prime.

It is a super-2 number, since 2×55808401² = 6229155244353602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

55808401 is a modest number, since divided by 8401 gives 558 as remainder.

It is not an unprimeable number, because it can be changed into a prime (55808461) 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, 81490 + ... + 82171.

It is an arithmetic number, because the mean of its divisors is an integer number (7855776).

Almost surely, 2^55808401 is an apocalyptic number.

It is an amenable number.

55808401 is a deficient number, since it is larger than the sum of its proper divisors (7037807).

55808401 is a wasteful number, since it uses less digits than its factorization.

55808401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163703.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 55808401 is about 7470.5020580949. The cubic root of 55808401 is about 382.1494097708.

The spelling of 55808401 in words is "fifty-five million, eight hundred eight thousand, four hundred one".