54894840 has 256 divisors, whose sum is σ = 221598720. Its totient is φ = 10506240.

The previous prime is 54894823. The next prime is 54894869. The reversal of 54894840 is 4849845.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 54894792 and 54894801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119892 + ... + 120348.

It is an arithmetic number, because the mean of its divisors is an integer number (865620).

Almost surely, 2^54894840 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 54894840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110799360).

54894840 is an abundant number, since it is smaller than the sum of its proper divisors (166703880).

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

54894840 is a wasteful number, since it uses less digits than its factorization.

54894840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 54894840 is about 7409.1052091329. The cubic root of 54894840 is about 380.0527166014.

The spelling of 54894840 in words is "fifty-four million, eight hundred ninety-four thousand, eight hundred forty".