51093536 has 48 divisors (see below), whose sum is σ = 108972864. Its totient is φ = 23441664.

The previous prime is 51093529. The next prime is 51093541. The reversal of 51093536 is 63539015.

It is a super-2 number, since 2×51093536² = 5221098841966592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109175 + ... + 109641.

It is an arithmetic number, because the mean of its divisors is an integer number (2270268).

Almost surely, 2^51093536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51093536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54486432).

51093536 is an abundant number, since it is smaller than the sum of its proper divisors (57879328).

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

51093536 is a wasteful number, since it uses less digits than its factorization.

51093536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 51093536 is about 7147.9742584875. The cubic root of 51093536 is about 371.0695519880.

The spelling of 51093536 in words is "fifty-one million, ninety-three thousand, five hundred thirty-six".