54401490 has 128 divisors (see below), whose sum is σ = 170553600. Its totient is φ = 12165120.

The previous prime is 54401483. The next prime is 54401531. The reversal of 54401490 is 9410445.

It is a super-2 number, since 2×54401490² = 5919044228440200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37906 + ... + 39314.

It is an arithmetic number, because the mean of its divisors is an integer number (1332450).

Almost surely, 2^54401490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54401490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85276800).

54401490 is an abundant number, since it is smaller than the sum of its proper divisors (116152110).

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

54401490 is a wasteful number, since it uses less digits than its factorization.

54401490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 54401490 is about 7375.7365733871. The cubic root of 54401490 is about 378.9107542292.

The spelling of 54401490 in words is "fifty-four million, four hundred one thousand, four hundred ninety".