54864490 has 8 divisors (see below), whose sum is σ = 98756100. Its totient is φ = 21945792.

The previous prime is 54864479. The next prime is 54864493. The reversal of 54864490 is 9446845.

It can be written as a sum of positive squares in 2 ways, for example, as 54863649 + 841 = 7407^2 + 29^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×54864490² = 6020224525920200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54864493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2743215 + ... + 2743234.

Almost surely, 2^54864490 is an apocalyptic number.

54864490 is a deficient number, since it is larger than the sum of its proper divisors (43891610).

54864490 is a wasteful number, since it uses less digits than its factorization.

54864490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486456.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 54864490 is about 7407.0567704048. The cubic root of 54864490 is about 379.9826631056.

The spelling of 54864490 in words is "fifty-four million, eight hundred sixty-four thousand, four hundred ninety".