51375080 has 32 divisors (see below), whose sum is σ = 116794440. Its totient is φ = 20336640.

The previous prime is 51375053. The next prime is 51375083. The reversal of 51375080 is 8057315.

It can be written as a sum of positive squares in 4 ways, for example, as 50495236 + 879844 = 7106^2 + 938^2 .

It is not an unprimeable number, because it can be changed into a prime (51375083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2741 + ... + 10500.

Almost surely, 2^51375080 is an apocalyptic number.

It is an amenable number.

51375080 is an abundant number, since it is smaller than the sum of its proper divisors (65419360).

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

51375080 is a wasteful number, since it uses less digits than its factorization.

51375080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13349 (or 13345 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 51375080 is about 7167.6411740544. The cubic root of 51375080 is about 371.7498800408.

The spelling of 51375080 in words is "fifty-one million, three hundred seventy-five thousand, eighty".