55747512 has 48 divisors (see below), whose sum is σ = 156195000. Its totient is φ = 17941056.

The previous prime is 55747511. The next prime is 55747513. The reversal of 55747512 is 21574755.

55747512 is a `hidden beast` number, since 5 + 574 + 75 + 12 = 666.

55747512 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 (55747511) and next prime (55747513).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55747511) 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 11 ways as a sum of consecutive naturals, for example, 11262 + ... + 15437.

Almost surely, 2^55747512 is an apocalyptic number.

It is an amenable number.

55747512 is an abundant number, since it is smaller than the sum of its proper divisors (100447488).

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

55747512 is a wasteful number, since it uses less digits than its factorization.

55747512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26740 (or 26733 counting only the distinct ones).

The product of its digits is 49000, while the sum is 36.

The square root of 55747512 is about 7466.4256508720. The cubic root of 55747512 is about 382.0103795504.

The spelling of 55747512 in words is "fifty-five million, seven hundred forty-seven thousand, five hundred twelve".