53249292 has 24 divisors (see below), whose sum is σ = 138054000. Its totient is φ = 17749728.

The previous prime is 53249281. The next prime is 53249293. The reversal of 53249292 is 29294235.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53249293) 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, 246417 + ... + 246632.

It is an arithmetic number, because the mean of its divisors is an integer number (5752250).

Almost surely, 2^53249292 is an apocalyptic number.

It is an amenable number.

53249292 is an abundant number, since it is smaller than the sum of its proper divisors (84804708).

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

53249292 is a wasteful number, since it uses less digits than its factorization.

53249292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493062 (or 493054 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 53249292 is about 7297.2112481413. The cubic root of 53249292 is about 376.2165928036.

The spelling of 53249292 in words is "fifty-three million, two hundred forty-nine thousand, two hundred ninety-two".