53618670 has 48 divisors (see below), whose sum is σ = 159325920. Its totient is φ = 12255552.

The previous prime is 53618657. The next prime is 53618683. The reversal of 53618670 is 7681635.

It is an interprime number because it is at equal distance from previous prime (53618657) and next prime (53618683).

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 23 ways as a sum of consecutive naturals, for example, 41925 + ... + 43184.

It is an arithmetic number, because the mean of its divisors is an integer number (3319290).

Almost surely, 2^53618670 is an apocalyptic number.

53618670 is an abundant number, since it is smaller than the sum of its proper divisors (105707250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53618670 is a wasteful number, since it uses less digits than its factorization.

53618670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85129 (or 85126 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 53618670 is about 7322.4770399094. The cubic root of 53618670 is about 377.0844981768.

The spelling of 53618670 in words is "fifty-three million, six hundred eighteen thousand, six hundred seventy".