55045520142 has 16 divisors (see below), whose sum is σ = 112776188112. Its totient is φ = 17900982080.

The previous prime is 55045520137. The next prime is 55045520143. The reversal of 55045520142 is 24102554055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55045520143) 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, 111880893 + ... + 111881384.

It is an arithmetic number, because the mean of its divisors is an integer number (7048511757).

Almost surely, 2^55045520142 is an apocalyptic number.

55045520142 is an abundant number, since it is smaller than the sum of its proper divisors (57730667970).

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

55045520142 is a wasteful number, since it uses less digits than its factorization.

55045520142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223762323.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 55045520142 in words is "fifty-five billion, forty-five million, five hundred twenty thousand, one hundred forty-two".