51577028 has 12 divisors (see below), whose sum is σ = 90310080. Its totient is φ = 25774152.

The previous prime is 51577007. The next prime is 51577061. The reversal of 51577028 is 82077515.

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, 12425 + ... + 16047.

It is an arithmetic number, because the mean of its divisors is an integer number (7525840).

Almost surely, 2^51577028 is an apocalyptic number.

It is an amenable number.

51577028 is a deficient number, since it is larger than the sum of its proper divisors (38733052).

51577028 is a wasteful number, since it uses less digits than its factorization.

51577028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7186 (or 7184 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 51577028 is about 7181.7148370010. The cubic root of 51577028 is about 372.2363415088.

The spelling of 51577028 in words is "fifty-one million, five hundred seventy-seven thousand, twenty-eight".