55595901 has 16 divisors (see below), whose sum is σ = 75106304. Its totient is φ = 36578304.

The previous prime is 55595893. The next prime is 55595909. The reversal of 55595901 is 10959555.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55595893) and next prime (55595909).

It is not a de Polignac number, because 55595901 - 2³ = 55595893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55595901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55595909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128181 + ... + 128613.

It is an arithmetic number, because the mean of its divisors is an integer number (4694144).

Almost surely, 2^55595901 is an apocalyptic number.

It is an amenable number.

55595901 is a deficient number, since it is larger than the sum of its proper divisors (19510403).

55595901 is a wasteful number, since it uses less digits than its factorization.

55595901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its (nonzero) digits is 50625, while the sum is 39.

The square root of 55595901 is about 7456.2658884994. The cubic root of 55595901 is about 381.6637598434.

The spelling of 55595901 in words is "fifty-five million, five hundred ninety-five thousand, nine hundred one".