54292290 has 64 divisors (see below), whose sum is σ = 142321536. Its totient is φ = 13174272.

The previous prime is 54292289. The next prime is 54292297. The reversal of 54292290 is 9229245.

It is not an unprimeable number, because it can be changed into a prime (54292297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27517 + ... + 29423.

It is an arithmetic number, because the mean of its divisors is an integer number (2223774).

Almost surely, 2^54292290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54292290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71160768).

54292290 is an abundant number, since it is smaller than the sum of its proper divisors (88029246).

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

54292290 is a wasteful number, since it uses less digits than its factorization.

54292290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 54292290 is about 7368.3302043272. The cubic root of 54292290 is about 378.6570554755.

The spelling of 54292290 in words is "fifty-four million, two hundred ninety-two thousand, two hundred ninety".