54645470 has 32 divisors (see below), whose sum is σ = 111974400. Its totient is φ = 19006240.

The previous prime is 54645439. The next prime is 54645509. The reversal of 54645470 is 7454645.

It is a super-2 number, since 2×54645470² = 5972254783041800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54645470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8270 + ... + 13329.

It is an arithmetic number, because the mean of its divisors is an integer number (3499200).

Almost surely, 2^54645470 is an apocalyptic number.

54645470 is an abundant number, since it is smaller than the sum of its proper divisors (57328930).

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

54645470 is a wasteful number, since it uses less digits than its factorization.

54645470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21640.

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 54645470 is about 7392.2574359934. The cubic root of 54645470 is about 379.4763563077.

The spelling of 54645470 in words is "fifty-four million, six hundred forty-five thousand, four hundred seventy".