55153260 has 36 divisors (see below), whose sum is σ = 167298768. Its totient is φ = 14707488.

The previous prime is 55153249. The next prime is 55153271. The reversal of 55153260 is 6235155.

55153260 is a `hidden beast` number, since 551 + 53 + 2 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (55153249) and next prime (55153271).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153024 + ... + 153383.

It is an arithmetic number, because the mean of its divisors is an integer number (4647188).

Almost surely, 2^55153260 is an apocalyptic number.

It is an amenable number.

55153260 is an abundant number, since it is smaller than the sum of its proper divisors (112145508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55153260 is a wasteful number, since it uses less digits than its factorization.

55153260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306422 (or 306417 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 55153260 is about 7426.5240860042. The cubic root of 55153260 is about 380.6481551429.

The spelling of 55153260 in words is "fifty-five million, one hundred fifty-three thousand, two hundred sixty".