54389190 has 64 divisors (see below), whose sum is σ = 135862272. Its totient is φ = 13920000.

The previous prime is 54389173. The next prime is 54389201. The reversal of 54389190 is 9198345.

It is a super-2 number, since 2×54389190² = 5916367977712200, 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 31 ways as a sum of consecutive naturals, for example, 216565 + ... + 216815.

It is an arithmetic number, because the mean of its divisors is an integer number (2122848).

Almost surely, 2^54389190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54389190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67931136).

54389190 is an abundant number, since it is smaller than the sum of its proper divisors (81473082).

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

54389190 is a wasteful number, since it uses less digits than its factorization.

54389190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 54389190 is about 7374.9027112227. The cubic root of 54389190 is about 378.8821952469.

The spelling of 54389190 in words is "fifty-four million, three hundred eighty-nine thousand, one hundred ninety".