51363130 has 32 divisors (see below), whose sum is σ = 113791104. Its totient is φ = 16255296.

The previous prime is 51363127. The next prime is 51363161. The reversal of 51363130 is 3136315.

It is a super-2 number, since 2×51363130² = 5276342246793800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27312 + ... + 29131.

It is an arithmetic number, because the mean of its divisors is an integer number (3555972).

Almost surely, 2^51363130 is an apocalyptic number.

51363130 is an abundant number, since it is smaller than the sum of its proper divisors (62427974).

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

51363130 is a wasteful number, since it uses less digits than its factorization.

51363130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56470.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 51363130 is about 7166.8075179957. The cubic root of 51363130 is about 371.7210544211.

Adding to 51363130 its reverse (3136315), we get a palindrome (54499445).

The spelling of 51363130 in words is "fifty-one million, three hundred sixty-three thousand, one hundred thirty".