55177358542 has 16 divisors (see below), whose sum is σ = 83210952960. Its totient is φ = 27440772408.

The previous prime is 55177358539. The next prime is 55177358603. The reversal of 55177358542 is 24585377155.

It is a self number, because there is not a number n which added to its sum of digits gives 55177358542.

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, 179013 + ... + 377359.

It is an arithmetic number, because the mean of its divisors is an integer number (5200684560).

Almost surely, 2^55177358542 is an apocalyptic number.

55177358542 is a deficient number, since it is larger than the sum of its proper divisors (28033594418).

55177358542 is a wasteful number, since it uses less digits than its factorization.

55177358542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199095.

The product of its digits is 5880000, while the sum is 52.

The spelling of 55177358542 in words is "fifty-five billion, one hundred seventy-seven million, three hundred fifty-eight thousand, five hundred forty-two".