53492004 has 18 divisors (see below), whose sum is σ = 135215990. Its totient is φ = 17830656.

The previous prime is 53491967. The next prime is 53492009. The reversal of 53492004 is 40029435.

It can be written as a sum of positive squares in only one way, i.e., 51151104 + 2340900 = 7152^2 + 1530^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×53492004² = 5722788983872032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53492009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 742909 + ... + 742980.

Almost surely, 2^53492004 is an apocalyptic number.

It is an amenable number.

53492004 is an abundant number, since it is smaller than the sum of its proper divisors (81723986).

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

53492004 is a wasteful number, since it uses less digits than its factorization.

53492004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485899 (or 1485894 counting only the distinct ones).

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

The square root of 53492004 is about 7313.8228034319. The cubic root of 53492004 is about 376.7873290126.

The spelling of 53492004 in words is "fifty-three million, four hundred ninety-two thousand, four".