52451655 has 16 divisors (see below), whose sum is σ = 84986880. Its totient is φ = 27619488.

The previous prime is 52451653. The next prime is 52451689. The reversal of 52451655 is 55615425.

It is not a de Polignac number, because 52451655 - 2¹ = 52451653 is a prime.

It is a super-2 number, since 2×52451655² = 5502352224478050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52451653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20947 + ... + 23316.

It is an arithmetic number, because the mean of its divisors is an integer number (5311680).

Almost surely, 2^52451655 is an apocalyptic number.

52451655 is a deficient number, since it is larger than the sum of its proper divisors (32535225).

52451655 is a wasteful number, since it uses less digits than its factorization.

52451655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44350.

The product of its digits is 30000, while the sum is 33.

The square root of 52451655 is about 7242.3514827713. The cubic root of 52451655 is about 374.3286477024.

The spelling of 52451655 in words is "fifty-two million, four hundred fifty-one thousand, six hundred fifty-five".