55366931 has 6 divisors (see below), whose sum is σ = 58434732. Its totient is φ = 52452540.

The previous prime is 55366901. The next prime is 55366937. The reversal of 55366931 is 13966355.

55366931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55366931 - 2⁶ = 55366867 is a prime.

It is a super-2 number, since 2×55366931² = 6130994096717522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55366937) 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 5 ways as a sum of consecutive naturals, for example, 76325 + ... + 77046.

It is an arithmetic number, because the mean of its divisors is an integer number (9739122).

Almost surely, 2^55366931 is an apocalyptic number.

55366931 is a deficient number, since it is larger than the sum of its proper divisors (3067801).

55366931 is a wasteful number, since it uses less digits than its factorization.

55366931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153409 (or 153390 counting only the distinct ones).

The product of its digits is 72900, while the sum is 38.

The square root of 55366931 is about 7440.8958466034. The cubic root of 55366931 is about 381.1390820935.

The spelling of 55366931 in words is "fifty-five million, three hundred sixty-six thousand, nine hundred thirty-one".