52701561 has 24 divisors (see below), whose sum is σ = 83276544. Its totient is φ = 31851360.

The previous prime is 52701553. The next prime is 52701563. The reversal of 52701561 is 16510725.

It is not a de Polignac number, because 52701561 - 2³ = 52701553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52701563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59655 + ... + 60531.

It is an arithmetic number, because the mean of its divisors is an integer number (3469856).

Almost surely, 2^52701561 is an apocalyptic number.

It is an amenable number.

52701561 is a deficient number, since it is larger than the sum of its proper divisors (30574983).

52701561 is a wasteful number, since it uses less digits than its factorization.

52701561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 52701561 is about 7259.5840789952. The cubic root of 52701561 is about 374.9222025279.

It can be divided in two parts, 527015 and 61, that added together give a square (527076 = 726²).

The spelling of 52701561 in words is "fifty-two million, seven hundred one thousand, five hundred sixty-one".