52001670 has 64 divisors (see below), whose sum is σ = 150151680. Its totient is φ = 11259648.

The previous prime is 52001659. The next prime is 52001681. The reversal of 52001670 is 7610025.

52001670 = 239² + 240² + ... + 553².

It is an interprime number because it is at equal distance from previous prime (52001659) and next prime (52001681).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2527 + ... + 10506.

It is an arithmetic number, because the mean of its divisors is an integer number (2346120).

Almost surely, 2^52001670 is an apocalyptic number.

52001670 is an abundant number, since it is smaller than the sum of its proper divisors (98150010).

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

52001670 is a wasteful number, since it uses less digits than its factorization.

52001670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13069.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 52001670 is about 7211.2183436643. The cubic root of 52001670 is about 373.2551113400.

Adding to 52001670 its reverse (7610025), we get a palindrome (59611695).

The spelling of 52001670 in words is "fifty-two million, one thousand, six hundred seventy".