55267472 has 20 divisors (see below), whose sum is σ = 115318140. Its totient is φ = 25507968.

The previous prime is 55267453. The next prime is 55267477. The reversal of 55267472 is 27476255.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36048016 + 19219456 = 6004^2 + 4384^2 .

It is a super-2 number, since 2×55267472² = 6108986922541568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55267477) 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, 132647 + ... + 133062.

It is an arithmetic number, because the mean of its divisors is an integer number (5765907).

Almost surely, 2^55267472 is an apocalyptic number.

55267472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55267472 is an abundant number, since it is smaller than the sum of its proper divisors (60050668).

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

55267472 is a wasteful number, since it uses less digits than its factorization.

55267472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265730 (or 265724 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 55267472 is about 7434.2095746623. The cubic root of 55267472 is about 380.9107241633.

The spelling of 55267472 in words is "fifty-five million, two hundred sixty-seven thousand, four hundred seventy-two".