51262488 has 48 divisors (see below), whose sum is σ = 143629200. Its totient is φ = 16497600.

The previous prime is 51262447. The next prime is 51262489. The reversal of 51262488 is 88426215.

51262488 is a `hidden beast` number, since 512 + 62 + 4 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51262489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10188 + ... + 14363.

It is an arithmetic number, because the mean of its divisors is an integer number (2992275).

Almost surely, 2^51262488 is an apocalyptic number.

51262488 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

51262488 is an abundant number, since it is smaller than the sum of its proper divisors (92366712).

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

51262488 is a wasteful number, since it uses less digits than its factorization.

51262488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24592 (or 24585 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 51262488 is about 7159.7826782661. The cubic root of 51262488 is about 371.4781096508.

The spelling of 51262488 in words is "fifty-one million, two hundred sixty-two thousand, four hundred eighty-eight".