53137490 has 32 divisors (see below), whose sum is σ = 115067520. Its totient is φ = 17259264.

The previous prime is 53137489. The next prime is 53137507. The reversal of 53137490 is 9473135.

It is a happy number.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 18647 + ... + 21306.

It is an arithmetic number, because the mean of its divisors is an integer number (3595860).

Almost surely, 2^53137490 is an apocalyptic number.

53137490 is an abundant number, since it is smaller than the sum of its proper divisors (61930030).

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

53137490 is a wasteful number, since it uses less digits than its factorization.

53137490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39986.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 53137490 is about 7289.5466251338. The cubic root of 53137490 is about 375.9531073632.

The spelling of 53137490 in words is "fifty-three million, one hundred thirty-seven thousand, four hundred ninety".