55156801 has 8 divisors (see below), whose sum is σ = 64323200. Its totient is φ = 47276964.

The previous prime is 55156793. The next prime is 55156813. The reversal of 55156801 is 10865155.

It is not a de Polignac number, because 55156801 - 2³ = 55156793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55156841) 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, 80061 + ... + 80746.

It is an arithmetic number, because the mean of its divisors is an integer number (8040400).

Almost surely, 2^55156801 is an apocalyptic number.

It is an amenable number.

55156801 is a deficient number, since it is larger than the sum of its proper divisors (9166399).

55156801 is an equidigital number, since it uses as much as digits as its factorization.

55156801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160828 (or 160814 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 55156801 is about 7426.7624844208. The cubic root of 55156801 is about 380.6563012088.

The spelling of 55156801 in words is "fifty-five million, one hundred fifty-six thousand, eight hundred one".