52851270 has 32 divisors (see below), whose sum is σ = 128585952. Its totient is φ = 13900032.

The previous prime is 52851247. The next prime is 52851277. The reversal of 52851270 is 7215825.

It is a super-2 number, since 2×52851270² = 5586513481225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52851277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9877 + ... + 14256.

It is an arithmetic number, because the mean of its divisors is an integer number (4018311).

Almost surely, 2^52851270 is an apocalyptic number.

52851270 is an abundant number, since it is smaller than the sum of its proper divisors (75734682).

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

52851270 is a wasteful number, since it uses less digits than its factorization.

52851270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24216.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 52851270 is about 7269.8878945964. The cubic root of 52851270 is about 375.2768799608.

It can be divided in two parts, 5285 and 1270, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 52851270 in words is "fifty-two million, eight hundred fifty-one thousand, two hundred seventy".