54635646 has 32 divisors (see below), whose sum is σ = 118597248. Its totient is φ = 16679520.

The previous prime is 54635627. The next prime is 54635653. The reversal of 54635646 is 64653645.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7545 + ... + 12891.

It is an arithmetic number, because the mean of its divisors is an integer number (3706164).

Almost surely, 2^54635646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54635646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59298624).

54635646 is an abundant number, since it is smaller than the sum of its proper divisors (63961602).

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

54635646 is a wasteful number, since it uses less digits than its factorization.

54635646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496.

The product of its digits is 259200, while the sum is 39.

The square root of 54635646 is about 7391.5929271031. The cubic root of 54635646 is about 379.4536145681.

The spelling of 54635646 in words is "fifty-four million, six hundred thirty-five thousand, six hundred forty-six".