54991752 has 32 divisors (see below), whose sum is σ = 137890080. Its totient is φ = 18275840.

The previous prime is 54991747. The next prime is 54991759. The reversal of 54991752 is 25719945.

It is a super-4 number, since 4×54991752⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (54991759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5227 + ... + 11717.

It is an arithmetic number, because the mean of its divisors is an integer number (4309065).

Almost surely, 2^54991752 is an apocalyptic number.

It is an amenable number.

54991752 is an abundant number, since it is smaller than the sum of its proper divisors (82898328).

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

54991752 is a wasteful number, since it uses less digits than its factorization.

54991752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853 (or 6849 counting only the distinct ones).

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

The square root of 54991752 is about 7415.6423861996. The cubic root of 54991752 is about 380.2762349731.

The spelling of 54991752 in words is "fifty-four million, nine hundred ninety-one thousand, seven hundred fifty-two".