54782420 has 48 divisors (see below), whose sum is σ = 143434368. Its totient is φ = 17074560.

The previous prime is 54782417. The next prime is 54782447. The reversal of 54782420 is 2428745.

It is a super-2 number, since 2×54782420² = 6002227082112800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16247 + ... + 19326.

It is an arithmetic number, because the mean of its divisors is an integer number (2988216).

Almost surely, 2^54782420 is an apocalyptic number.

It is an amenable number.

54782420 is an abundant number, since it is smaller than the sum of its proper divisors (88651948).

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

54782420 is a wasteful number, since it uses less digits than its factorization.

54782420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35600 (or 35598 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 54782420 is about 7401.5147098415. The cubic root of 54782420 is about 379.7931006660.

It can be divided in two parts, 5 and 4782420, that multiplied together give a square (23912100 = 4890²).

The spelling of 54782420 in words is "fifty-four million, seven hundred eighty-two thousand, four hundred twenty".