53916550 has 12 divisors (see below), whose sum is σ = 100284876. Its totient is φ = 21566600.

The previous prime is 53916521. The next prime is 53916581. The reversal of 53916550 is 5561935.

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, 539116 + ... + 539215.

It is an arithmetic number, because the mean of its divisors is an integer number (8357073).

Almost surely, 2^53916550 is an apocalyptic number.

53916550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53916550 is a deficient number, since it is larger than the sum of its proper divisors (46368326).

53916550 is a wasteful number, since it uses less digits than its factorization.

53916550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078343 (or 1078338 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 34.

The square root of 53916550 is about 7342.7889796725. The cubic root of 53916550 is about 377.7815101195.

The spelling of 53916550 in words is "fifty-three million, nine hundred sixteen thousand, five hundred fifty".