51677020 has 24 divisors (see below), whose sum is σ = 108658368. Its totient is φ = 20644800.

The previous prime is 51676997. The next prime is 51677027. The reversal of 51677020 is 2077615.

It is a self number, because there is not a number n which added to its sum of digits gives 51677020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51677027) 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, 26685 + ... + 28555.

It is an arithmetic number, because the mean of its divisors is an integer number (4527432).

Almost surely, 2^51677020 is an apocalyptic number.

It is an amenable number.

51677020 is an abundant number, since it is smaller than the sum of its proper divisors (56981348).

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

51677020 is a wasteful number, since it uses less digits than its factorization.

51677020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261 (or 3259 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 51677020 is about 7188.6730347123. The cubic root of 51677020 is about 372.4767368323.

It can be divided in two parts, 5 and 1677020, that added together give a square (1677025 = 1295²).

The spelling of 51677020 in words is "fifty-one million, six hundred seventy-seven thousand, twenty".