51875537 has 8 divisors (see below), whose sum is σ = 60732672. Its totient is φ = 43380000.

The previous prime is 51875533. The next prime is 51875543. The reversal of 51875537 is 73557815.

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

It is a cyclic number.

It is not a de Polignac number, because 51875537 - 2² = 51875533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 51875494 and 51875503.

It is not an unprimeable number, because it can be changed into a prime (51875531) 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, 90089 + ... + 90662.

It is an arithmetic number, because the mean of its divisors is an integer number (7591584).

Almost surely, 2^51875537 is an apocalyptic number.

It is an amenable number.

51875537 is a deficient number, since it is larger than the sum of its proper divisors (8857135).

51875537 is a wasteful number, since it uses less digits than its factorization.

51875537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180799.

The product of its digits is 147000, while the sum is 41.

The square root of 51875537 is about 7202.4674244317. The cubic root of 51875537 is about 372.9530831985.

The spelling of 51875537 in words is "fifty-one million, eight hundred seventy-five thousand, five hundred thirty-seven".