55537132 has 24 divisors (see below), whose sum is σ = 111442464. Its totient is φ = 23722752.

The previous prime is 55537129. The next prime is 55537169. The reversal of 55537132 is 23173555.

It is a junction number, because it is equal to n+sod(n) for n = 55537094 and 55537103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5748 + ... + 12004.

It is an arithmetic number, because the mean of its divisors is an integer number (4643436).

Almost surely, 2^55537132 is an apocalyptic number.

It is an amenable number.

55537132 is an abundant number, since it is smaller than the sum of its proper divisors (55905332).

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

55537132 is a wasteful number, since it uses less digits than its factorization.

55537132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6585 (or 6583 counting only the distinct ones).

The product of its digits is 15750, while the sum is 31.

The square root of 55537132 is about 7452.3239328414. The cubic root of 55537132 is about 381.5292301081.

The spelling of 55537132 in words is "fifty-five million, five hundred thirty-seven thousand, one hundred thirty-two".