54442790 has 16 divisors (see below), whose sum is σ = 103155120. Its totient is φ = 20630880.

The previous prime is 54442769. The next prime is 54442807. The reversal of 54442790 is 9724445.

It is a self number, because there is not a number n which added to its sum of digits gives 54442790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143081 + ... + 143460.

It is an arithmetic number, because the mean of its divisors is an integer number (6447195).

Almost surely, 2^54442790 is an apocalyptic number.

54442790 is a deficient number, since it is larger than the sum of its proper divisors (48712330).

54442790 is a wasteful number, since it uses less digits than its factorization.

54442790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286567.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 54442790 is about 7378.5357626022. The cubic root of 54442790 is about 379.0066159157.

It can be divided in two parts, 544 and 42790, that added together give a palindrome (43334).

The spelling of 54442790 in words is "fifty-four million, four hundred forty-two thousand, seven hundred ninety".