51030675 has 96 divisors (see below), whose sum is σ = 103564800. Its totient is φ = 24520320.

The previous prime is 51030671. The next prime is 51030737. The reversal of 51030675 is 57603015.

It is not a de Polignac number, because 51030675 - 2² = 51030671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (51030671) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 294889 + ... + 295061.

It is an arithmetic number, because the mean of its divisors is an integer number (1078800).

Almost surely, 2^51030675 is an apocalyptic number.

51030675 is an abundant number, since it is smaller than the sum of its proper divisors (52534125).

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

51030675 is a wasteful number, since it uses less digits than its factorization.

51030675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 51030675 is about 7143.5757852773. The cubic root of 51030675 is about 370.9173124062.

The spelling of 51030675 in words is "fifty-one million, thirty thousand, six hundred seventy-five".