51854506 has 32 divisors (see below), whose sum is σ = 88381440. Its totient is φ = 22604400.

The previous prime is 51854503. The next prime is 51854507. The reversal of 51854506 is 60545815.

It is a happy number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (51854503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94525 + ... + 95071.

It is an arithmetic number, because the mean of its divisors is an integer number (2761920).

Almost surely, 2^51854506 is an apocalyptic number.

51854506 is a deficient number, since it is larger than the sum of its proper divisors (36526934).

51854506 is a wasteful number, since it uses less digits than its factorization.

51854506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 51854506 is about 7201.0072906504. The cubic root of 51854506 is about 372.9026764175.

The spelling of 51854506 in words is "fifty-one million, eight hundred fifty-four thousand, five hundred six".