55665495 has 64 divisors (see below), whose sum is σ = 103420800. Its totient is φ = 28385280.

The previous prime is 55665481. The next prime is 55665509. The reversal of 55665495 is 59456655.

55665495 is a `hidden beast` number, since 556 + 6 + 5 + 4 + 95 = 666.

It is an interprime number because it is at equal distance from previous prime (55665481) and next prime (55665509).

It is not a de Polignac number, because 55665495 - 2⁴ = 55665479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55665495.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 492559 + ... + 492671.

It is an arithmetic number, because the mean of its divisors is an integer number (1615950).

Almost surely, 2^55665495 is an apocalyptic number.

55665495 is a deficient number, since it is larger than the sum of its proper divisors (47755305).

55665495 is a wasteful number, since it uses less digits than its factorization.

55665495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 251 counting only the distinct ones).

The product of its digits is 810000, while the sum is 45.

The square root of 55665495 is about 7460.9312421440. The cubic root of 55665495 is about 381.8229468329.

The spelling of 55665495 in words is "fifty-five million, six hundred sixty-five thousand, four hundred ninety-five".