55761732 has 72 divisors (see below), whose sum is σ = 159810560. Its totient is φ = 16251840.

The previous prime is 55761731. The next prime is 55761749. The reversal of 55761732 is 23716755.

55761732 is a `hidden beast` number, since 5 + 5 + 7 + 617 + 32 = 666.

55761732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (55761731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5757 + ... + 12027.

Almost surely, 2^55761732 is an apocalyptic number.

55761732 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55761732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79905280).

55761732 is an abundant number, since it is smaller than the sum of its proper divisors (104048828).

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

55761732 is a wasteful number, since it uses less digits than its factorization.

55761732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313 (or 6308 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 55761732 is about 7467.3778530352. The cubic root of 55761732 is about 382.0428576861.

The spelling of 55761732 in words is "fifty-five million, seven hundred sixty-one thousand, seven hundred thirty-two".