55540271542 has 32 divisors (see below), whose sum is σ = 96083988480. Its totient is φ = 23585925120.

The previous prime is 55540271537. The next prime is 55540271551. The reversal of 55540271542 is 24517204555.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55540271495 and 55540271504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646809 + ... + 727627.

It is an arithmetic number, because the mean of its divisors is an integer number (3002624640).

Almost surely, 2^55540271542 is an apocalyptic number.

55540271542 is a deficient number, since it is larger than the sum of its proper divisors (40543716938).

55540271542 is a wasteful number, since it uses less digits than its factorization.

55540271542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81276.

The product of its (nonzero) digits is 280000, while the sum is 40.

The spelling of 55540271542 in words is "fifty-five billion, five hundred forty million, two hundred seventy-one thousand, five hundred forty-two".