54999552 has 80 divisors (see below), whose sum is σ = 149177952. Its totient is φ = 18001920.

The previous prime is 54999551. The next prime is 54999559. The reversal of 54999552 is 25599945.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (54999551) 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, 93403 + ... + 93989.

Almost surely, 2^54999552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54999552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74588976).

54999552 is an abundant number, since it is smaller than the sum of its proper divisors (94178400).

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

54999552 is an equidigital number, since it uses as much as digits as its factorization.

54999552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 653 counting only the distinct ones).

The product of its digits is 729000, while the sum is 48.

The square root of 54999552 is about 7416.1682828803. The cubic root of 54999552 is about 380.2942135141.

It can be divided in two parts, 5499 and 9552, that added together give a palindrome (15051).

The spelling of 54999552 in words is "fifty-four million, nine hundred ninety-nine thousand, five hundred fifty-two".