55731412 has 24 divisors (see below), whose sum is σ = 107860032. Its totient is φ = 24984000.

The previous prime is 55731409. The next prime is 55731413. The reversal of 55731412 is 21413755.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55731413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5464 + ... + 11887.

It is an arithmetic number, because the mean of its divisors is an integer number (4494168).

Almost surely, 2^55731412 is an apocalyptic number.

It is an amenable number.

55731412 is a deficient number, since it is larger than the sum of its proper divisors (52128620).

55731412 is a wasteful number, since it uses less digits than its factorization.

55731412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17439 (or 17437 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 55731412 is about 7465.3474132153. The cubic root of 55731412 is about 381.9736008730.

The spelling of 55731412 in words is "fifty-five million, seven hundred thirty-one thousand, four hundred twelve".