55654931 has 2 divisors, whose sum is σ = 55654932. Its totient is φ = 55654930.

The previous prime is 55654913. The next prime is 55654961. The reversal of 55654931 is 13945655.

Together with previous prime (55654913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55654931 - 2⁶ = 55654867 is a prime.

It is a super-2 number, since 2×55654931² = 6194942689229522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55654901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27827465 + 27827466.

It is an arithmetic number, because the mean of its divisors is an integer number (27827466).

Almost surely, 2^55654931 is an apocalyptic number.

55654931 is a deficient number, since it is larger than the sum of its proper divisors (1).

55654931 is an equidigital number, since it uses as much as digits as its factorization.

55654931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 38.

The square root of 55654931 is about 7460.2232540320. The cubic root of 55654931 is about 381.7987916371.

The spelling of 55654931 in words is "fifty-five million, six hundred fifty-four thousand, nine hundred thirty-one".