54855042 has 32 divisors (see below), whose sum is σ = 120441600. Its totient is φ = 16517520.

The previous prime is 54855029. The next prime is 54855049. The reversal of 54855042 is 24055845.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 54854994 and 54855012.

It is not an unprimeable number, because it can be changed into a prime (54855049) 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, 8209 + ... + 13307.

It is an arithmetic number, because the mean of its divisors is an integer number (3763800).

Almost surely, 2^54855042 is an apocalyptic number.

54855042 is an abundant number, since it is smaller than the sum of its proper divisors (65586558).

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

54855042 is a wasteful number, since it uses less digits than its factorization.

54855042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278.

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 54855042 is about 7406.4189727560. The cubic root of 54855042 is about 379.9608500756.

The spelling of 54855042 in words is "fifty-four million, eight hundred fifty-five thousand, forty-two".