54984690 has 64 divisors (see below), whose sum is σ = 150232320. Its totient is φ = 14302080.

The previous prime is 54984679. The next prime is 54984707. The reversal of 54984690 is 9648945.

It is a happy number.

It is a super-2 number, since 2×54984690² = 6046632268792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8587 + ... + 13553.

It is an arithmetic number, because the mean of its divisors is an integer number (2347380).

Almost surely, 2^54984690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54984690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75116160).

54984690 is an abundant number, since it is smaller than the sum of its proper divisors (95247630).

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

54984690 is a wasteful number, since it uses less digits than its factorization.

54984690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024 (or 5018 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 54984690 is about 7415.1662152645. The cubic root of 54984690 is about 380.2599560122.

The spelling of 54984690 in words is "fifty-four million, nine hundred eighty-four thousand, six hundred ninety".