54503316 has 72 divisors (see below), whose sum is σ = 158185664. Its totient is φ = 15500160.

The previous prime is 54503311. The next prime is 54503321. The reversal of 54503316 is 61330545.

It is an interprime number because it is at equal distance from previous prime (54503311) and next prime (54503321).

It is a super-2 number, since 2×54503316² = 5941222909991712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54503316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54503311) 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, 78531 + ... + 79221.

Almost surely, 2^54503316 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 54503316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79092832).

54503316 is an abundant number, since it is smaller than the sum of its proper divisors (103682348).

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

54503316 is a wasteful number, since it uses less digits than its factorization.

54503316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 54503316 is about 7382.6361145596. The cubic root of 54503316 is about 379.1470156435.

The spelling of 54503316 in words is "fifty-four million, five hundred three thousand, three hundred sixteen".