51573495 has 24 divisors (see below), whose sum is σ = 87664464. Its totient is φ = 25885696.

The previous prime is 51573481. The next prime is 51573497. The reversal of 51573495 is 59437515.

It is not a de Polignac number, because 51573495 - 2⁴ = 51573479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51573497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1614 + ... + 10283.

It is an arithmetic number, because the mean of its divisors is an integer number (3652686).

Almost surely, 2^51573495 is an apocalyptic number.

51573495 is a deficient number, since it is larger than the sum of its proper divisors (36090969).

51573495 is a wasteful number, since it uses less digits than its factorization.

51573495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11939 (or 11922 counting only the distinct ones).

The product of its digits is 94500, while the sum is 39.

The square root of 51573495 is about 7181.4688608947. The cubic root of 51573495 is about 372.2278419818.

The spelling of 51573495 in words is "fifty-one million, five hundred seventy-three thousand, four hundred ninety-five".