54905520 has 40 divisors (see below), whose sum is σ = 170207856. Its totient is φ = 14641408.

The previous prime is 54905503. The next prime is 54905537. The reversal of 54905520 is 2550945.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54905503) and next prime (54905537).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×54905520² = 6029232252940800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114147 + ... + 114626.

Almost surely, 2^54905520 is an apocalyptic number.

It is an amenable number.

54905520 is an abundant number, since it is smaller than the sum of its proper divisors (115302336).

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

54905520 is a wasteful number, since it uses less digits than its factorization.

54905520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228789 (or 228783 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 54905520 is about 7409.8259088861. The cubic root of 54905520 is about 380.0773619040.

The spelling of 54905520 in words is "fifty-four million, nine hundred five thousand, five hundred twenty".