55464665 has 16 divisors (see below), whose sum is σ = 68791248. Its totient is φ = 42898176.

The previous prime is 55464649. The next prime is 55464671. The reversal of 55464665 is 56646455.

It can be written as a sum of positive squares in 8 ways, for example, as 7203856 + 48260809 = 2684^2 + 6947^2 .

It is a cyclic number.

It is not a de Polignac number, because 55464665 - 2⁴ = 55464649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31139 + ... + 32871.

It is an arithmetic number, because the mean of its divisors is an integer number (4299453).

Almost surely, 2^55464665 is an apocalyptic number.

It is an amenable number.

55464665 is a deficient number, since it is larger than the sum of its proper divisors (13326583).

55464665 is a wasteful number, since it uses less digits than its factorization.

55464665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948.

The product of its digits is 432000, while the sum is 41.

The square root of 55464665 is about 7447.4603053659. The cubic root of 55464665 is about 381.3632131752.

The spelling of 55464665 in words is "fifty-five million, four hundred sixty-four thousand, six hundred sixty-five".