54377664 has 56 divisors (see below), whose sum is σ = 156959808. Its totient is φ = 16477440.

The previous prime is 54377663. The next prime is 54377683. The reversal of 54377664 is 46677345.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54377663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10762 + ... + 14985.

Almost surely, 2^54377664 is an apocalyptic number.

It is an amenable number.

54377664 is an abundant number, since it is smaller than the sum of its proper divisors (102582144).

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

54377664 is a wasteful number, since it uses less digits than its factorization.

54377664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25773 (or 25763 counting only the distinct ones).

The product of its digits is 423360, while the sum is 42.

The square root of 54377664 is about 7374.1212357813. The cubic root of 54377664 is about 378.8554294828.

The spelling of 54377664 in words is "fifty-four million, three hundred seventy-seven thousand, six hundred sixty-four".