54631490 has 16 divisors (see below), whose sum is σ = 99056952. Its totient is φ = 21692544.

The previous prime is 54631481. The next prime is 54631519. The reversal of 54631490 is 9413645.

It can be written as a sum of positive squares in 4 ways, for example, as 36372961 + 18258529 = 6031^2 + 4273^2 .

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, 18569 + ... + 21308.

Almost surely, 2^54631490 is an apocalyptic number.

54631490 is a deficient number, since it is larger than the sum of its proper divisors (44425462).

54631490 is a wasteful number, since it uses less digits than its factorization.

54631490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40021.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 54631490 is about 7391.3117915564. The cubic root of 54631490 is about 379.4439929546.

The spelling of 54631490 in words is "fifty-four million, six hundred thirty-one thousand, four hundred ninety".