55735931 has 2 divisors, whose sum is σ = 55735932. Its totient is φ = 55735930.

The previous prime is 55735919. The next prime is 55735957. The reversal of 55735931 is 13953755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55735931 - 2²² = 51541627 is a prime.

It is a super-2 number, since 2×55735931² = 6212988008873522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55735331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27867965 + 27867966.

It is an arithmetic number, because the mean of its divisors is an integer number (27867966).

Almost surely, 2^55735931 is an apocalyptic number.

55735931 is a deficient number, since it is larger than the sum of its proper divisors (1).

55735931 is an equidigital number, since it uses as much as digits as its factorization.

55735931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70875, while the sum is 38.

The square root of 55735931 is about 7465.6500721638. The cubic root of 55735931 is about 381.9839247459.

The spelling of 55735931 in words is "fifty-five million, seven hundred thirty-five thousand, nine hundred thirty-one".