54645090 has 32 divisors (see below), whose sum is σ = 132814080. Its totient is φ = 14386944.

The previous prime is 54645061. The next prime is 54645091. The reversal of 54645090 is 9054645.

54645090 = T₃₁₆ + T₃₁₇ + ... + T₇₁₀.

It is a super-2 number, since 2×54645090² = 5972171722216200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54645091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9159 + ... + 13898.

It is an arithmetic number, because the mean of its divisors is an integer number (4150440).

Almost surely, 2^54645090 is an apocalyptic number.

54645090 is an abundant number, since it is smaller than the sum of its proper divisors (78168990).

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

54645090 is a wasteful number, since it uses less digits than its factorization.

54645090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23146.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 54645090 is about 7392.2317333807. The cubic root of 54645090 is about 379.4754766901.

The spelling of 54645090 in words is "fifty-four million, six hundred forty-five thousand, ninety".