55890152 has 32 divisors (see below), whose sum is σ = 112794120. Its totient is φ = 25866240.

The previous prime is 55890103. The next prime is 55890157. The reversal of 55890152 is 25109855.

It can be written as a sum of positive squares in 4 ways, for example, as 41036836 + 14853316 = 6406^2 + 3854^2 .

It is not an unprimeable number, because it can be changed into a prime (55890157) 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, 4928 + ... + 11664.

Almost surely, 2^55890152 is an apocalyptic number.

It is an amenable number.

55890152 is an abundant number, since it is smaller than the sum of its proper divisors (56903968).

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

55890152 is a wasteful number, since it uses less digits than its factorization.

55890152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6821 (or 6817 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 55890152 is about 7475.9716425358. The cubic root of 55890152 is about 382.3359160657.

The spelling of 55890152 in words is "fifty-five million, eight hundred ninety thousand, one hundred fifty-two".