54273170490 has 128 divisors (see below), whose sum is σ = 162475130880. Its totient is φ = 11272089600.

The previous prime is 54273170489. The next prime is 54273170491. The reversal of 54273170490 is 9407137245.

It is an interprime number because it is at equal distance from previous prime (54273170489) and next prime (54273170491).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (54273170491) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6276570 + ... + 6285210.

It is an arithmetic number, because the mean of its divisors is an integer number (1269336960).

Almost surely, 2^54273170490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54273170490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81237565440).

54273170490 is an abundant number, since it is smaller than the sum of its proper divisors (108201960390).

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

54273170490 is a wasteful number, since it uses less digits than its factorization.

54273170490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11388.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 54273170490 in words is "fifty-four billion, two hundred seventy-three million, one hundred seventy thousand, four hundred ninety".