54388550 has 48 divisors (see below), whose sum is σ = 106211952. Its totient is φ = 20697600.

The previous prime is 54388549. The next prime is 54388553. The reversal of 54388550 is 5588345.

It is a super-2 number, since 2×54388550² = 5916228742205000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54388553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87842 + ... + 88458.

It is an arithmetic number, because the mean of its divisors is an integer number (2212749).

Almost surely, 2^54388550 is an apocalyptic number.

54388550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54388550 is a deficient number, since it is larger than the sum of its proper divisors (51823402).

54388550 is a wasteful number, since it uses less digits than its factorization.

54388550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 54388550 is about 7374.8593206922. The cubic root of 54388550 is about 378.8807091333.

The spelling of 54388550 in words is "fifty-four million, three hundred eighty-eight thousand, five hundred fifty".