51900537 has 8 divisors (see below), whose sum is σ = 74523904. Its totient is φ = 31938768.

The previous prime is 51900521. The next prime is 51900539. The reversal of 51900537 is 73500915.

It is a happy number.

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

It is not a de Polignac number, because 51900537 - 2⁴ = 51900521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51900539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665353 + ... + 665430.

It is an arithmetic number, because the mean of its divisors is an integer number (9315488).

Almost surely, 2^51900537 is an apocalyptic number.

It is an amenable number.

51900537 is a deficient number, since it is larger than the sum of its proper divisors (22623367).

51900537 is a wasteful number, since it uses less digits than its factorization.

51900537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330799.

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 51900537 is about 7204.2027317393. The cubic root of 51900537 is about 373.0129850985.

The spelling of 51900537 in words is "fifty-one million, nine hundred thousand, five hundred thirty-seven".