55706532 has 72 divisors (see below), whose sum is σ = 152258400. Its totient is φ = 15805440.

The previous prime is 55706527. The next prime is 55706533. The reversal of 55706532 is 23560755.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55706493 and 55706502.

It is not an unprimeable number, because it can be changed into a prime (55706533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123844 + ... + 124292.

It is an arithmetic number, because the mean of its divisors is an integer number (2114700).

Almost surely, 2^55706532 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 55706532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76129200).

55706532 is an abundant number, since it is smaller than the sum of its proper divisors (96551868).

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

55706532 is a wasteful number, since it uses less digits than its factorization.

55706532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 55706532 is about 7463.6808613445. The cubic root of 55706532 is about 381.9167513190.

The spelling of 55706532 in words is "fifty-five million, seven hundred six thousand, five hundred thirty-two".