54864090 has 24 divisors (see below), whose sum is σ = 142646868. Its totient is φ = 14630400.

The previous prime is 54864053. The next prime is 54864091. The reversal of 54864090 is 9046845.

54864090 is a `hidden beast` number, since 5 + 4 + 8 + 640 + 9 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 54863649 + 441 = 7407^2 + 21^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54864091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304711 + ... + 304890.

Almost surely, 2^54864090 is an apocalyptic number.

54864090 is an abundant number, since it is smaller than the sum of its proper divisors (87782778).

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

54864090 is a wasteful number, since it uses less digits than its factorization.

54864090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609614 (or 609611 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 54864090 is about 7407.0297690775. The cubic root of 54864090 is about 379.9817396581.

The spelling of 54864090 in words is "fifty-four million, eight hundred sixty-four thousand, ninety".