53751140 has 12 divisors (see below), whose sum is σ = 112877436. Its totient is φ = 21500448.

The previous prime is 53751119. The next prime is 53751167. The reversal of 53751140 is 4115735.

It can be written as a sum of positive squares in 2 ways, for example, as 37039396 + 16711744 = 6086^2 + 4088^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343759 + ... + 1343798.

It is an arithmetic number, because the mean of its divisors is an integer number (9406453).

Almost surely, 2^53751140 is an apocalyptic number.

It is an amenable number.

53751140 is an abundant number, since it is smaller than the sum of its proper divisors (59126296).

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

53751140 is a wasteful number, since it uses less digits than its factorization.

53751140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687566 (or 2687564 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 53751140 is about 7331.5168962501. The cubic root of 53751140 is about 377.3947837700.

Adding to 53751140 its reverse (4115735), we get a palindrome (57866875).

The spelling of 53751140 in words is "fifty-three million, seven hundred fifty-one thousand, one hundred forty".