55477333142 has 32 divisors (see below), whose sum is σ = 103762771200. Its totient is φ = 21611846880.

The previous prime is 55477333139. The next prime is 55477333147. The reversal of 55477333142 is 24133377455.

It is a junction number, because it is equal to n+sod(n) for n = 55477333093 and 55477333102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55477333147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1588484 + ... + 1623032.

It is an arithmetic number, because the mean of its divisors is an integer number (3242586600).

Almost surely, 2^55477333142 is an apocalyptic number.

55477333142 is a deficient number, since it is larger than the sum of its proper divisors (48285438058).

55477333142 is a wasteful number, since it uses less digits than its factorization.

55477333142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44996.

The product of its digits is 1058400, while the sum is 44.

The spelling of 55477333142 in words is "fifty-five billion, four hundred seventy-seven million, three hundred thirty-three thousand, one hundred forty-two".