55973732 has 6 divisors (see below), whose sum is σ = 97954038. Its totient is φ = 27986864.

The previous prime is 55973717. The next prime is 55973747. The reversal of 55973732 is 23737955.

55973732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55973717) and next prime (55973747).

It can be written as a sum of positive squares in only one way, i.e., 31629376 + 24344356 = 5624^2 + 4934^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55973732.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6996713 + ... + 6996720.

It is an arithmetic number, because the mean of its divisors is an integer number (16325673).

Almost surely, 2^55973732 is an apocalyptic number.

It is an amenable number.

55973732 is a deficient number, since it is larger than the sum of its proper divisors (41980306).

55973732 is a wasteful number, since it uses less digits than its factorization.

55973732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13993437 (or 13993435 counting only the distinct ones).

The product of its digits is 198450, while the sum is 41.

The square root of 55973732 is about 7481.5594631066. The cubic root of 55973732 is about 382.5264071079.

The spelling of 55973732 in words is "fifty-five million, nine hundred seventy-three thousand, seven hundred thirty-two".