54502551 has 10 divisors (see below), whose sum is σ = 81417512. Its totient is φ = 36334980.

The previous prime is 54502519. The next prime is 54502577. The reversal of 54502551 is 15520545.

It is not a de Polignac number, because 54502551 - 2⁵ = 54502519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54502501) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 336355 + ... + 336516.

Almost surely, 2^54502551 is an apocalyptic number.

54502551 is a deficient number, since it is larger than the sum of its proper divisors (26914961).

54502551 is an equidigital number, since it uses as much as digits as its factorization.

54502551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672883 (or 672874 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 54502551 is about 7382.5843036162. The cubic root of 54502551 is about 379.1452417525.

It can be divided in two parts, 5450 and 2551, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 54502551 in words is "fifty-four million, five hundred two thousand, five hundred fifty-one".