54378522 has 48 divisors (see below), whose sum is σ = 129287808. Its totient is φ = 16381440.

The previous prime is 54378469. The next prime is 54378547. The reversal of 54378522 is 22587345.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37503 + ... + 38925.

It is an arithmetic number, because the mean of its divisors is an integer number (2693496).

Almost surely, 2^54378522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54378522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64643904).

54378522 is an abundant number, since it is smaller than the sum of its proper divisors (74909286).

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

54378522 is a wasteful number, since it uses less digits than its factorization.

54378522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1632 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 54378522 is about 7374.1794119753. The cubic root of 54378522 is about 378.8574220671.

The spelling of 54378522 in words is "fifty-four million, three hundred seventy-eight thousand, five hundred twenty-two".