52493778 has 32 divisors (see below), whose sum is σ = 117371520. Its totient is φ = 17390160.

The previous prime is 52493761. The next prime is 52493803. The reversal of 52493778 is 87739425.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6108 + ... + 11928.

It is an arithmetic number, because the mean of its divisors is an integer number (3667860).

Almost surely, 2^52493778 is an apocalyptic number.

52493778 is an abundant number, since it is smaller than the sum of its proper divisors (64877742).

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

52493778 is a wasteful number, since it uses less digits than its factorization.

52493778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5999 (or 5993 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 52493778 is about 7245.2590015817. The cubic root of 52493778 is about 374.4288264705.

The spelling of 52493778 in words is "fifty-two million, four hundred ninety-three thousand, seven hundred seventy-eight".