55901552 has 60 divisors (see below), whose sum is σ = 127308816. Its totient is φ = 23708160.

The previous prime is 55901551. The next prime is 55901563. The reversal of 55901552 is 25510955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55901551) 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, 88277 + ... + 88907.

Almost surely, 2^55901552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55901552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63654408).

55901552 is an abundant number, since it is smaller than the sum of its proper divisors (71407264).

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

55901552 is a wasteful number, since it uses less digits than its factorization.

55901552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 55901552 is about 7476.7340463601. The cubic root of 55901552 is about 382.3619095128.

The spelling of 55901552 in words is "fifty-five million, nine hundred one thousand, five hundred fifty-two".