54521590 has 8 divisors (see below), whose sum is σ = 98138880. Its totient is φ = 21808632.

The previous prime is 54521581. The next prime is 54521603. The reversal of 54521590 is 9512545.

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

It is a super-2 number, since 2×54521590² = 5945207552256200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2726070 + ... + 2726089.

It is an arithmetic number, because the mean of its divisors is an integer number (12267360).

Almost surely, 2^54521590 is an apocalyptic number.

54521590 is a deficient number, since it is larger than the sum of its proper divisors (43617290).

54521590 is a wasteful number, since it uses less digits than its factorization.

54521590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452166.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 54521590 is about 7383.8736446394. The cubic root of 54521590 is about 379.1893846765.

The spelling of 54521590 in words is "fifty-four million, five hundred twenty-one thousand, five hundred ninety".