55751142 has 16 divisors (see below), whose sum is σ = 111576240. Its totient is φ = 18571392.

The previous prime is 55751141. The next prime is 55751159. The reversal of 55751142 is 24115755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55751141) 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, 14034 + ... + 17562.

It is an arithmetic number, because the mean of its divisors is an integer number (6973515).

Almost surely, 2^55751142 is an apocalyptic number.

55751142 is an abundant number, since it is smaller than the sum of its proper divisors (55825098).

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

55751142 is a wasteful number, since it uses less digits than its factorization.

55751142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167.

The product of its digits is 7000, while the sum is 30.

The square root of 55751142 is about 7466.6687351188. The cubic root of 55751142 is about 382.0186709074.

Adding to 55751142 its reverse (24115755), we get a palindrome (79866897).

The spelling of 55751142 in words is "fifty-five million, seven hundred fifty-one thousand, one hundred forty-two".