55410731 has 2 divisors, whose sum is σ = 55410732. Its totient is φ = 55410730.

The previous prime is 55410683. The next prime is 55410779. The reversal of 55410731 is 13701455.

It is a balanced prime because it is at equal distance from previous prime (55410683) and next prime (55410779).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55410731 is a prime.

It is a super-2 number, since 2×55410731² = 6140698219908722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55410731.

It is not a weakly prime, because it can be changed into another prime (55410031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27705365 + 27705366.

It is an arithmetic number, because the mean of its divisors is an integer number (27705366).

Almost surely, 2^55410731 is an apocalyptic number.

55410731 is a deficient number, since it is larger than the sum of its proper divisors (1).

55410731 is an equidigital number, since it uses as much as digits as its factorization.

55410731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 55410731 is about 7443.8384587523. The cubic root of 55410731 is about 381.2395601907.

The spelling of 55410731 in words is "fifty-five million, four hundred ten thousand, seven hundred thirty-one".