51554634 has 32 divisors (see below), whose sum is σ = 107550720. Its totient is φ = 16454592.

The previous prime is 51554623. The next prime is 51554639. The reversal of 51554634 is 43645515.

It is a junction number, because it is equal to n+sod(n) for n = 51554595 and 51554604.

It is not an unprimeable number, because it can be changed into a prime (51554639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20932 + ... + 23264.

It is an arithmetic number, because the mean of its divisors is an integer number (3360960).

Almost surely, 2^51554634 is an apocalyptic number.

51554634 is an abundant number, since it is smaller than the sum of its proper divisors (55996086).

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

51554634 is a wasteful number, since it uses less digits than its factorization.

51554634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494.

The product of its digits is 36000, while the sum is 33.

The square root of 51554634 is about 7180.1555693453. The cubic root of 51554634 is about 372.1824604970.

The spelling of 51554634 in words is "fifty-one million, five hundred fifty-four thousand, six hundred thirty-four".