52405776 has 60 divisors (see below), whose sum is σ = 153049728. Its totient is φ = 16708032.

The previous prime is 52405757. The next prime is 52405807. The reversal of 52405776 is 67750425.

52405776 = T₃₃₉ + T₃₄₀ + ... + T₇₀₆.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 52405776.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4600 + ... + 11223.

Almost surely, 2^52405776 is an apocalyptic number.

It is an amenable number.

52405776 is an abundant number, since it is smaller than the sum of its proper divisors (100643952).

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

52405776 is a wasteful number, since it uses less digits than its factorization.

52405776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15860 (or 15851 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 52405776 is about 7239.1833793599. The cubic root of 52405776 is about 374.2194752099.

The spelling of 52405776 in words is "fifty-two million, four hundred five thousand, seven hundred seventy-six".