53404750 has 32 divisors (see below), whose sum is σ = 114259392. Its totient is φ = 18309600.

The previous prime is 53404721. The next prime is 53404787. The reversal of 53404750 is 5740435.

It is a congruent number.

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, 13509 + ... + 17008.

It is an arithmetic number, because the mean of its divisors is an integer number (3570606).

Almost surely, 2^53404750 is an apocalyptic number.

53404750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53404750 is an abundant number, since it is smaller than the sum of its proper divisors (60854642).

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

53404750 is a wasteful number, since it uses less digits than its factorization.

53404750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30541 (or 30531 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 53404750 is about 7307.8553625534. The cubic root of 53404750 is about 376.5823507553.

The spelling of 53404750 in words is "fifty-three million, four hundred four thousand, seven hundred fifty".