55136140734 has 64 divisors (see below), whose sum is σ = 112551921216. Its totient is φ = 18003492864.

The previous prime is 55136140729. The next prime is 55136140751. The reversal of 55136140734 is 43704163155.

It is a junction number, because it is equal to n+sod(n) for n = 55136140692 and 55136140701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34524024 + ... + 34525620.

It is an arithmetic number, because the mean of its divisors is an integer number (1758623769).

Almost surely, 2^55136140734 is an apocalyptic number.

55136140734 is an abundant number, since it is smaller than the sum of its proper divisors (57415780482).

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

55136140734 is a wasteful number, since it uses less digits than its factorization.

55136140734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 55136140734 in words is "fifty-five billion, one hundred thirty-six million, one hundred forty thousand, seven hundred thirty-four".