54465820 has 24 divisors (see below), whose sum is σ = 114534000. Its totient is φ = 21756672.

The previous prime is 54465797. The next prime is 54465823. The reversal of 54465820 is 2856445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54465823) 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, 18831 + ... + 21529.

It is an arithmetic number, because the mean of its divisors is an integer number (4772250).

Almost surely, 2^54465820 is an apocalyptic number.

It is an amenable number.

54465820 is an abundant number, since it is smaller than the sum of its proper divisors (60068180).

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

54465820 is a wasteful number, since it uses less digits than its factorization.

54465820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717 (or 3715 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 54465820 is about 7380.0962053350. The cubic root of 54465820 is about 379.0600499388.

The spelling of 54465820 in words is "fifty-four million, four hundred sixty-five thousand, eight hundred twenty".