53499012 has 48 divisors (see below), whose sum is σ = 148872192. Its totient is φ = 14620320.

The previous prime is 53499011. The next prime is 53499023. The reversal of 53499012 is 21099435.

It is a super-2 number, since 2×53499012² = 5724288569952288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53499011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11914 + ... + 15777.

It is an arithmetic number, because the mean of its divisors is an integer number (3101504).

Almost surely, 2^53499012 is an apocalyptic number.

It is an amenable number.

53499012 is an abundant number, since it is smaller than the sum of its proper divisors (95373180).

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

53499012 is a wasteful number, since it uses less digits than its factorization.

53499012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27728 (or 27726 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 53499012 is about 7314.3018805625. The cubic root of 53499012 is about 376.8037826262.

The spelling of 53499012 in words is "fifty-three million, four hundred ninety-nine thousand, twelve".