54199572 has 24 divisors (see below), whose sum is σ = 144532416. Its totient is φ = 15485568.

The previous prime is 54199567. The next prime is 54199573. The reversal of 54199572 is 27599145.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54199573) 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, 322533 + ... + 322700.

It is an arithmetic number, because the mean of its divisors is an integer number (6022184).

Almost surely, 2^54199572 is an apocalyptic number.

It is an amenable number.

54199572 is an abundant number, since it is smaller than the sum of its proper divisors (90332844).

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

54199572 is a wasteful number, since it uses less digits than its factorization.

54199572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645247 (or 645245 counting only the distinct ones).

The product of its digits is 113400, while the sum is 42.

The square root of 54199572 is about 7362.0358597334. The cubic root of 54199572 is about 378.4413813326.

The spelling of 54199572 in words is "fifty-four million, one hundred ninety-nine thousand, five hundred seventy-two".