55524731 has 2 divisors, whose sum is σ = 55524732. Its totient is φ = 55524730.

The previous prime is 55524683. The next prime is 55524767. The reversal of 55524731 is 13742555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55524731 - 2²² = 51330427 is a prime.

It is a super-2 number, since 2×55524731² = 6165991505244722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55524031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27762365 + 27762366.

It is an arithmetic number, because the mean of its divisors is an integer number (27762366).

Almost surely, 2^55524731 is an apocalyptic number.

55524731 is a deficient number, since it is larger than the sum of its proper divisors (1).

55524731 is an equidigital number, since it uses as much as digits as its factorization.

55524731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21000, while the sum is 32.

The square root of 55524731 is about 7451.4918640498. The cubic root of 55524731 is about 381.5008305130.

The spelling of 55524731 in words is "fifty-five million, five hundred twenty-four thousand, seven hundred thirty-one".