52547390 has 32 divisors (see below), whose sum is σ = 108368064. Its totient is φ = 17971200.

The previous prime is 52547389. The next prime is 52547401. The reversal of 52547390 is 9374525.

It is a super-2 number, since 2×52547390² = 5522456391624200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 52547390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39740 + ... + 41040.

It is an arithmetic number, because the mean of its divisors is an integer number (3386502).

Almost surely, 2^52547390 is an apocalyptic number.

52547390 is an abundant number, since it is smaller than the sum of its proper divisors (55820674).

52547390 is a wasteful number, since it uses less digits than its factorization.

52547390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 52547390 is about 7248.9578561335. The cubic root of 52547390 is about 374.5562514026.

The spelling of 52547390 in words is "fifty-two million, five hundred forty-seven thousand, three hundred ninety".