51883490 has 32 divisors (see below), whose sum is σ = 104094720. Its totient is φ = 18503424.

The previous prime is 51883483. The next prime is 51883493. The reversal of 51883490 is 9438815.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (51883493) 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, 4802 + ... + 11261.

It is an arithmetic number, because the mean of its divisors is an integer number (3252960).

Almost surely, 2^51883490 is an apocalyptic number.

51883490 is an abundant number, since it is smaller than the sum of its proper divisors (52211230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51883490 is a wasteful number, since it uses less digits than its factorization.

51883490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16106.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 51883490 is about 7203.0195057351. The cubic root of 51883490 is about 372.9721412779.

The spelling of 51883490 in words is "fifty-one million, eight hundred eighty-three thousand, four hundred ninety".