53900424 has 32 divisors (see below), whose sum is σ = 149724000. Its totient is φ = 17966736.

The previous prime is 53900423. The next prime is 53900459. The reversal of 53900424 is 42400935.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53900423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124554 + ... + 124985.

It is an arithmetic number, because the mean of its divisors is an integer number (4678875).

Almost surely, 2^53900424 is an apocalyptic number.

53900424 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53900424 is an abundant number, since it is smaller than the sum of its proper divisors (95823576).

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

53900424 is a wasteful number, since it uses less digits than its factorization.

53900424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249554 (or 249544 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 53900424 is about 7341.6908134298. The cubic root of 53900424 is about 377.7438425752.

The spelling of 53900424 in words is "fifty-three million, nine hundred thousand, four hundred twenty-four".