53137623 has 32 divisors (see below), whose sum is σ = 92989440. Its totient is φ = 26148960.

The previous prime is 53137621. The next prime is 53137639. The reversal of 53137623 is 32673135.

It is not a de Polignac number, because 53137623 - 2¹ = 53137621 is a prime.

53137623 is a modest number, since divided by 7623 gives 5313 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53137621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1665 + ... + 10442.

It is an arithmetic number, because the mean of its divisors is an integer number (2905920).

Almost surely, 2^53137623 is an apocalyptic number.

53137623 is a deficient number, since it is larger than the sum of its proper divisors (39851817).

53137623 is a wasteful number, since it uses less digits than its factorization.

53137623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12147.

The product of its digits is 11340, while the sum is 30.

The square root of 53137623 is about 7289.5557477805. Note that the first 3 decimals coincide. The cubic root of 53137623 is about 375.9534210257.

The spelling of 53137623 in words is "fifty-three million, one hundred thirty-seven thousand, six hundred twenty-three".