52249816 has 32 divisors (see below), whose sum is σ = 101787840. Its totient is φ = 25125408.

The previous prime is 52249807. The next prime is 52249831. The reversal of 52249816 is 61894225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21915 + ... + 24181.

It is an arithmetic number, because the mean of its divisors is an integer number (3180870).

Almost surely, 2^52249816 is an apocalyptic number.

It is an amenable number.

52249816 is a deficient number, since it is larger than the sum of its proper divisors (49538024).

52249816 is a wasteful number, since it uses less digits than its factorization.

52249816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383 (or 2379 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 52249816 is about 7228.4034198431. The cubic root of 52249816 is about 373.8478796452.

The spelling of 52249816 in words is "fifty-two million, two hundred forty-nine thousand, eight hundred sixteen".