55787324 has 6 divisors (see below), whose sum is σ = 97627824. Its totient is φ = 27893660.

The previous prime is 55787279. The next prime is 55787357. The reversal of 55787324 is 42378755.

It is a super-2 number, since 2×55787324² = 6224451038161952, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6973412 + ... + 6973419.

It is an arithmetic number, because the mean of its divisors is an integer number (16271304).

Almost surely, 2^55787324 is an apocalyptic number.

It is an amenable number.

55787324 is a deficient number, since it is larger than the sum of its proper divisors (41840500).

55787324 is a wasteful number, since it uses less digits than its factorization.

55787324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13946835 (or 13946833 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 55787324 is about 7469.0912432504. The cubic root of 55787324 is about 382.1012952865.

The spelling of 55787324 in words is "fifty-five million, seven hundred eighty-seven thousand, three hundred twenty-four".