53137923 has 8 divisors (see below), whose sum is σ = 71391936. Its totient is φ = 35154600.

The previous prime is 53137921. The next prime is 53137933. The reversal of 53137923 is 32973135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53137923 - 2¹ = 53137921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53137921) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 67213 + ... + 67998.

It is an arithmetic number, because the mean of its divisors is an integer number (8923992).

Almost surely, 2^53137923 is an apocalyptic number.

53137923 is a deficient number, since it is larger than the sum of its proper divisors (18254013).

53137923 is a wasteful number, since it uses less digits than its factorization.

53137923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135345.

The product of its digits is 17010, while the sum is 33.

The square root of 53137923 is about 7289.5763251371. The cubic root of 53137923 is about 375.9541285333.

The spelling of 53137923 in words is "fifty-three million, one hundred thirty-seven thousand, nine hundred twenty-three".