54777450 has 96 divisors (see below), whose sum is σ = 167239296. Its totient is φ = 11554560.

The previous prime is 54777449. The next prime is 54777469. The reversal of 54777450 is 5477745.

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

It is a junction number, because it is equal to n+sod(n) for n = 54777399 and 54777408.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11644 + ... + 15656.

It is an arithmetic number, because the mean of its divisors is an integer number (1742076).

Almost surely, 2^54777450 is an apocalyptic number.

54777450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54777450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83619648).

54777450 is an abundant number, since it is smaller than the sum of its proper divisors (112461846).

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

54777450 is a wasteful number, since it uses less digits than its factorization.

54777450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048 (or 4043 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 39.

The square root of 54777450 is about 7401.1789601387. The cubic root of 54777450 is about 379.7816150544.

The spelling of 54777450 in words is "fifty-four million, seven hundred seventy-seven thousand, four hundred fifty".