53251566 has 16 divisors (see below), whose sum is σ = 112108800. Its totient is φ = 16816248.

The previous prime is 53251519. The next prime is 53251567. The reversal of 53251566 is 66515235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53251567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233446 + ... + 233673.

It is an arithmetic number, because the mean of its divisors is an integer number (7006800).

Almost surely, 2^53251566 is an apocalyptic number.

53251566 is an abundant number, since it is smaller than the sum of its proper divisors (58857234).

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

53251566 is a wasteful number, since it uses less digits than its factorization.

53251566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467143.

The product of its digits is 27000, while the sum is 33.

The square root of 53251566 is about 7297.3670594263. The cubic root of 53251566 is about 376.2219481446.

The spelling of 53251566 in words is "fifty-three million, two hundred fifty-one thousand, five hundred sixty-six".