55505842 has 16 divisors (see below), whose sum is σ = 96458112. Its totient is φ = 23461920.

The previous prime is 55505803. The next prime is 55505851. The reversal of 55505842 is 24850555.

It is a super-2 number, since 2×55505842² = 6161796992257928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55505798 and 55505807.

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, 26134 + ... + 28177.

It is an arithmetic number, because the mean of its divisors is an integer number (6028632).

Almost surely, 2^55505842 is an apocalyptic number.

55505842 is a deficient number, since it is larger than the sum of its proper divisors (40952270).

55505842 is a wasteful number, since it uses less digits than its factorization.

55505842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54393.

The product of its (nonzero) digits is 40000, while the sum is 34.

The square root of 55505842 is about 7450.2242919257. The cubic root of 55505842 is about 381.4575645883.

The spelling of 55505842 in words is "fifty-five million, five hundred five thousand, eight hundred forty-two".