53488994 has 16 divisors (see below), whose sum is σ = 87265080. Its totient is φ = 24441600.

The previous prime is 53488993. The next prime is 53488997. The reversal of 53488994 is 49988435.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51652969 + 1836025 = 7187^2 + 1355^2 .

It is a super-2 number, since 2×53488994² = 5722144958264072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53488993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7559 + ... + 12810.

Almost surely, 2^53488994 is an apocalyptic number.

53488994 is a deficient number, since it is larger than the sum of its proper divisors (33776086).

53488994 is a wasteful number, since it uses less digits than its factorization.

53488994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20485.

The product of its digits is 1244160, while the sum is 50.

The square root of 53488994 is about 7313.6170257951. The cubic root of 53488994 is about 376.7802615941.

The spelling of 53488994 in words is "fifty-three million, four hundred eighty-eight thousand, nine hundred ninety-four".