54645650 has 48 divisors (see below), whose sum is σ = 109740744. Its totient is φ = 20167680.

The previous prime is 54645637. The next prime is 54645659. The reversal of 54645650 is 5654645.

It can be written as a sum of positive squares in 12 ways, for example, as 2647129 + 51998521 = 1627^2 + 7211^2 .

It is a super-2 number, since 2×54645650² = 5972294127845000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 54645650.

It is not an unprimeable number, because it can be changed into a prime (54645659) 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, 44444 + ... + 45656.

Almost surely, 2^54645650 is an apocalyptic number.

54645650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54645650 is an abundant number, since it is smaller than the sum of its proper divisors (55095094).

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

54645650 is a wasteful number, since it uses less digits than its factorization.

54645650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 54645650 is about 7392.2696108841. The cubic root of 54645650 is about 379.4767729672.

The spelling of 54645650 in words is "fifty-four million, six hundred forty-five thousand, six hundred fifty".