54649290 has 32 divisors (see below), whose sum is σ = 133312896. Its totient is φ = 14333760.

The previous prime is 54649267. The next prime is 54649291. The reversal of 54649290 is 9294645.

It is not an unprimeable number, because it can be changed into a prime (54649291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13102 + ... + 16761.

It is an arithmetic number, because the mean of its divisors is an integer number (4166028).

Almost surely, 2^54649290 is an apocalyptic number.

54649290 is an abundant number, since it is smaller than the sum of its proper divisors (78663606).

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

54649290 is a wasteful number, since it uses less digits than its factorization.

54649290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29934.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 54649290 is about 7392.5158099256. The cubic root of 54649290 is about 379.4851985527.

The spelling of 54649290 in words is "fifty-four million, six hundred forty-nine thousand, two hundred ninety".