55462731 has 8 divisors (see below), whose sum is σ = 74163600. Its totient is φ = 36868512.

The previous prime is 55462723. The next prime is 55462739. The reversal of 55462731 is 13726455.

It is an interprime number because it is at equal distance from previous prime (55462723) and next prime (55462739).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55462731 - 2³ = 55462723 is a prime.

It is a super-2 number, since 2×55462731² = 6152229059956722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55462692 and 55462701.

It is not an unprimeable number, because it can be changed into a prime (55462739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25440 + ... + 27533.

It is an arithmetic number, because the mean of its divisors is an integer number (9270450).

Almost surely, 2^55462731 is an apocalyptic number.

55462731 is a deficient number, since it is larger than the sum of its proper divisors (18700869).

55462731 is a wasteful number, since it uses less digits than its factorization.

55462731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53325.

The product of its digits is 25200, while the sum is 33.

The square root of 55462731 is about 7447.3304613130. The cubic root of 55462731 is about 381.3587805331.

The spelling of 55462731 in words is "fifty-five million, four hundred sixty-two thousand, seven hundred thirty-one".