53122472 has 16 divisors (see below), whose sum is σ = 107266740. Its totient is φ = 24518016.

The previous prime is 53122471. The next prime is 53122477. The reversal of 53122472 is 27422135.

It can be written as a sum of positive squares in 2 ways, for example, as 49758916 + 3363556 = 7054^2 + 1834^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (53122471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255293 + ... + 255500.

Almost surely, 2^53122472 is an apocalyptic number.

53122472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53122472 is an abundant number, since it is smaller than the sum of its proper divisors (54144268).

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

53122472 is a wasteful number, since it uses less digits than its factorization.

53122472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510812 (or 510808 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 53122472 is about 7288.5164471242. The cubic root of 53122472 is about 375.9176860705.

The spelling of 53122472 in words is "fifty-three million, one hundred twenty-two thousand, four hundred seventy-two".