55742653751 has 4 divisors (see below), whose sum is σ = 57540803904. Its totient is φ = 53944503600.

The previous prime is 55742653741. The next prime is 55742653847. The reversal of 55742653751 is 15735624755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15735624755 = 5 ⋅3147124951.

It is a cyclic number.

It is not a de Polignac number, because 55742653751 - 2¹⁰ = 55742652727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55742653751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55742653721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899075030 + ... + 899075091.

It is an arithmetic number, because the mean of its divisors is an integer number (14385200976).

Almost surely, 2^55742653751 is an apocalyptic number.

55742653751 is a deficient number, since it is larger than the sum of its proper divisors (1798150153).

55742653751 is a wasteful number, since it uses less digits than its factorization.

55742653751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798150152.

The product of its digits is 4410000, while the sum is 50.

The spelling of 55742653751 in words is "fifty-five billion, seven hundred forty-two million, six hundred fifty-three thousand, seven hundred fifty-one".