51310376 has 16 divisors (see below), whose sum is σ = 103607700. Its totient is φ = 23681664.

The previous prime is 51310361. The next prime is 51310387. The reversal of 51310376 is 67301315.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41860900 + 9449476 = 6470^2 + 3074^2 .

It is a super-2 number, since 2×51310376² = 5265509370522752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246581 + ... + 246788.

Almost surely, 2^51310376 is an apocalyptic number.

It is an amenable number.

51310376 is an abundant number, since it is smaller than the sum of its proper divisors (52297324).

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

51310376 is a wasteful number, since it uses less digits than its factorization.

51310376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493388 (or 493384 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 51310376 is about 7163.1261331907. The cubic root of 51310376 is about 371.5937485116.

The spelling of 51310376 in words is "fifty-one million, three hundred ten thousand, three hundred seventy-six".