54649830 has 32 divisors (see below), whose sum is σ = 132825600. Its totient is φ = 14388192.

The previous prime is 54649813. The next prime is 54649831. The reversal of 54649830 is 3894645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54649831) 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, 9160 + ... + 13899.

It is an arithmetic number, because the mean of its divisors is an integer number (4150800).

Almost surely, 2^54649830 is an apocalyptic number.

54649830 is an abundant number, since it is smaller than the sum of its proper divisors (78175770).

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

54649830 is a wasteful number, since it uses less digits than its factorization.

54649830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23148.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 54649830 is about 7392.5523332608. The cubic root of 54649830 is about 379.4864484703.

The spelling of 54649830 in words is "fifty-four million, six hundred forty-nine thousand, eight hundred thirty".