53506900 has 36 divisors (see below), whose sum is σ = 116430048. Its totient is φ = 21343840.

The previous prime is 53506897. The next prime is 53506909. The reversal of 53506900 is 960535.

It is a happy number.

It is a super-2 number, since 2×53506900² = 5725976695220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53506909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64287 + ... + 65113.

It is an arithmetic number, because the mean of its divisors is an integer number (3234168).

Almost surely, 2^53506900 is an apocalyptic number.

53506900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53506900 is an abundant number, since it is smaller than the sum of its proper divisors (62923148).

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

53506900 is a wasteful number, since it uses less digits than its factorization.

53506900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 53506900 is about 7314.8410782463. The cubic root of 53506900 is about 376.8223006141.

The spelling of 53506900 in words is "fifty-three million, five hundred six thousand, nine hundred".