54621504 has 336 divisors, whose sum is σ = 202874880. Its totient is φ = 13685760.

The previous prime is 54621503. The next prime is 54621517. The reversal of 54621504 is 40512645.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54621503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1761969 + ... + 1761999.

Almost surely, 2^54621504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54621504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101437440).

54621504 is an abundant number, since it is smaller than the sum of its proper divisors (148253376).

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

54621504 is a wasteful number, since it uses less digits than its factorization.

54621504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 54621504 is about 7390.6362378350. The cubic root of 54621504 is about 379.4208722318.

The spelling of 54621504 in words is "fifty-four million, six hundred twenty-one thousand, five hundred four".