54986442 has 32 divisors (see below), whose sum is σ = 126173184. Its totient is φ = 15649200.

The previous prime is 54986441. The next prime is 54986471. The reversal of 54986442 is 24468945.

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 = 54986394 and 54986403.

It is not an unprimeable number, because it can be changed into a prime (54986441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8967 + ... + 13797.

It is an arithmetic number, because the mean of its divisors is an integer number (3942912).

Almost surely, 2^54986442 is an apocalyptic number.

54986442 is an abundant number, since it is smaller than the sum of its proper divisors (71186742).

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

54986442 is a wasteful number, since it uses less digits than its factorization.

54986442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114.

The product of its digits is 276480, while the sum is 42.

The square root of 54986442 is about 7415.2843505829. The cubic root of 54986442 is about 380.2639947630.

The spelling of 54986442 in words is "fifty-four million, nine hundred eighty-six thousand, four hundred forty-two".