55462618 has 4 divisors (see below), whose sum is σ = 83193930. Its totient is φ = 27731308.

The previous prime is 55462609. The next prime is 55462633. The reversal of 55462618 is 81626455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36566209 + 18896409 = 6047^2 + 4347^2 .

It is a super-2 number, since 2×55462618² = 6152203990827848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13865653 + ... + 13865656.

Almost surely, 2^55462618 is an apocalyptic number.

55462618 is a deficient number, since it is larger than the sum of its proper divisors (27731312).

55462618 is a wasteful number, since it uses less digits than its factorization.

55462618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27731311.

The product of its digits is 57600, while the sum is 37.

The square root of 55462618 is about 7447.3228746980. The cubic root of 55462618 is about 381.3585215389.

The spelling of 55462618 in words is "fifty-five million, four hundred sixty-two thousand, six hundred eighteen".