55116942 has 16 divisors (see below), whose sum is σ = 110480592. Its totient is φ = 18331200.

The previous prime is 55116937. The next prime is 55116949. The reversal of 55116942 is 24961155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55116949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7309 + ... + 12792.

It is an arithmetic number, because the mean of its divisors is an integer number (6905037).

Almost surely, 2^55116942 is an apocalyptic number.

55116942 is an abundant number, since it is smaller than the sum of its proper divisors (55363650).

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

55116942 is a wasteful number, since it uses less digits than its factorization.

55116942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20563.

The product of its digits is 10800, while the sum is 33.

The square root of 55116942 is about 7424.0785286795. The cubic root of 55116942 is about 380.5645854970.

The spelling of 55116942 in words is "fifty-five million, one hundred sixteen thousand, nine hundred forty-two".