53151380 has 12 divisors (see below), whose sum is σ = 111617940. Its totient is φ = 21260544.

The previous prime is 53151377. The next prime is 53151409. The reversal of 53151380 is 8315135.

It can be written as a sum of positive squares in 2 ways, for example, as 14760964 + 38390416 = 3842^2 + 6196^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1328765 + ... + 1328804.

It is an arithmetic number, because the mean of its divisors is an integer number (9301495).

Almost surely, 2^53151380 is an apocalyptic number.

It is an amenable number.

53151380 is an abundant number, since it is smaller than the sum of its proper divisors (58466560).

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

53151380 is a wasteful number, since it uses less digits than its factorization.

53151380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657578 (or 2657576 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 53151380 is about 7290.4992970303. The cubic root of 53151380 is about 375.9858622268.

The spelling of 53151380 in words is "fifty-three million, one hundred fifty-one thousand, three hundred eighty".