53291900 has 18 divisors (see below), whose sum is σ = 115643640. Its totient is φ = 21316720.

The previous prime is 53291873. The next prime is 53291911. The reversal of 53291900 is 919235.

It is a super-2 number, since 2×53291900² = 5680053211220000, which contains 22 as substring.

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, 266360 + ... + 266559.

Almost surely, 2^53291900 is an apocalyptic number.

53291900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53291900 is an abundant number, since it is smaller than the sum of its proper divisors (62351740).

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

53291900 is a wasteful number, since it uses less digits than its factorization.

53291900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532933 (or 532926 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 53291900 is about 7300.1301358263. The cubic root of 53291900 is about 376.3169106507.

The spelling of 53291900 in words is "fifty-three million, two hundred ninety-one thousand, nine hundred".