55442110 has 16 divisors (see below), whose sum is σ = 100350432. Its totient is φ = 22053600.

The previous prime is 55442089. The next prime is 55442129. The reversal of 55442110 is 1124455.

It is a super-2 number, since 2×55442110² = 6147655122504200, which contains 22 as substring.

It is a nialpdrome in base 10.

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, 13506 + ... + 17125.

It is an arithmetic number, because the mean of its divisors is an integer number (6271902).

Almost surely, 2^55442110 is an apocalyptic number.

55442110 is a deficient number, since it is larger than the sum of its proper divisors (44908322).

55442110 is a wasteful number, since it uses less digits than its factorization.

55442110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30819.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 55442110 is about 7445.9458767842. The cubic root of 55442110 is about 381.3115117090.

Adding to 55442110 its reverse (1124455), we get a palindrome (56566565).

The spelling of 55442110 in words is "fifty-five million, four hundred forty-two thousand, one hundred ten".