55552356 has 36 divisors (see below), whose sum is σ = 141300432. Its totient is φ = 18401904.

The previous prime is 55552351. The next prime is 55552361. The reversal of 55552356 is 65325555.

55552356 is a `hidden beast` number, since 55 + 552 + 3 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (55552351) and next prime (55552361).

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55552356.

It is not an unprimeable number, because it can be changed into a prime (55552351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1135 + ... + 10601.

It is an arithmetic number, because the mean of its divisors is an integer number (3925012).

Almost surely, 2^55552356 is an apocalyptic number.

It is an amenable number.

55552356 is an abundant number, since it is smaller than the sum of its proper divisors (85748076).

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

55552356 is a wasteful number, since it uses less digits than its factorization.

55552356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9640 (or 9635 counting only the distinct ones).

The product of its digits is 112500, while the sum is 36.

The square root of 55552356 is about 7453.3452891973. The cubic root of 55552356 is about 381.5640888902.

The spelling of 55552356 in words is "fifty-five million, five hundred fifty-two thousand, three hundred fifty-six".