51560406 has 12 divisors (see below), whose sum is σ = 111714252. Its totient is φ = 17186796.

The previous prime is 51560393. The next prime is 51560419. The reversal of 51560406 is 60406515.

It is a happy number.

51560406 is a `hidden beast` number, since 51 + 5 + 604 + 0 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (51560393) and next prime (51560419).

It is a self number, because there is not a number n which added to its sum of digits gives 51560406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1432216 + ... + 1432251.

It is an arithmetic number, because the mean of its divisors is an integer number (9309521).

Almost surely, 2^51560406 is an apocalyptic number.

51560406 is an abundant number, since it is smaller than the sum of its proper divisors (60153846).

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

51560406 is a wasteful number, since it uses less digits than its factorization.

51560406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864475 (or 2864472 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 51560406 is about 7180.5574992475. The cubic root of 51560406 is about 372.1963496913.

The spelling of 51560406 in words is "fifty-one million, five hundred sixty thousand, four hundred six".