54870842 has 32 divisors (see below), whose sum is σ = 93275280. Its totient is φ = 24030720.

The previous prime is 54870821. The next prime is 54870869. The reversal of 54870842 is 24807845.

It can be written as a sum of positive squares in 8 ways, for example, as 5013121 + 49857721 = 2239^2 + 7061^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 54870796 and 54870805.

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, 45398 + ... + 46590.

Almost surely, 2^54870842 is an apocalyptic number.

54870842 is a deficient number, since it is larger than the sum of its proper divisors (38404438).

54870842 is a wasteful number, since it uses less digits than its factorization.

54870842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 54870842 is about 7407.4855382917. The cubic root of 54870842 is about 379.9973268510.

The spelling of 54870842 in words is "fifty-four million, eight hundred seventy thousand, eight hundred forty-two".