51235877 has 24 divisors (see below), whose sum is σ = 64886976. Its totient is φ = 39600000.

The previous prime is 51235843. The next prime is 51235883. The reversal of 51235877 is 77853215.

It is a happy number.

It is not a de Polignac number, because 51235877 - 2⁸ = 51235621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51235877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51235897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204002 + ... + 204252.

It is an arithmetic number, because the mean of its divisors is an integer number (2703624).

Almost surely, 2^51235877 is an apocalyptic number.

It is an amenable number.

51235877 is a deficient number, since it is larger than the sum of its proper divisors (13651099).

51235877 is a wasteful number, since it uses less digits than its factorization.

51235877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 510 counting only the distinct ones).

The product of its digits is 58800, while the sum is 38.

The square root of 51235877 is about 7157.9240705668. The cubic root of 51235877 is about 371.4138188773.

The spelling of 51235877 in words is "fifty-one million, two hundred thirty-five thousand, eight hundred seventy-seven".