55864670 has 16 divisors (see below), whose sum is σ = 102696768. Its totient is φ = 21870240.

The previous prime is 55864663. The next prime is 55864691. The reversal of 55864670 is 7646855.

It is a super-2 number, since 2×55864670² = 6241722708417800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58961 + ... + 59900.

It is an arithmetic number, because the mean of its divisors is an integer number (6418548).

Almost surely, 2^55864670 is an apocalyptic number.

55864670 is a deficient number, since it is larger than the sum of its proper divisors (46832098).

55864670 is a wasteful number, since it uses less digits than its factorization.

55864670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118915.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 55864670 is about 7474.2671881597. The cubic root of 55864670 is about 382.2778010878.

The spelling of 55864670 in words is "fifty-five million, eight hundred sixty-four thousand, six hundred seventy".