55142464743 has 64 divisors (see below), whose sum is σ = 85084876800. Its totient is φ = 35269486560.

The previous prime is 55142464733. The next prime is 55142464763. The reversal of 55142464743 is 34746424155.

55142464743 is a `hidden beast` number, since 5 + 5 + 142 + 464 + 7 + 43 = 666.

It is not a de Polignac number, because 55142464743 - 2¹⁷ = 55142333671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55142464703) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25305228 + ... + 25307406.

It is an arithmetic number, because the mean of its divisors is an integer number (1329451200).

Almost surely, 2^55142464743 is an apocalyptic number.

55142464743 is a deficient number, since it is larger than the sum of its proper divisors (29942412057).

55142464743 is a wasteful number, since it uses less digits than its factorization.

55142464743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609 (or 2603 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

Adding to 55142464743 its reverse (34746424155), we get a palindrome (89888888898).

The spelling of 55142464743 in words is "fifty-five billion, one hundred forty-two million, four hundred sixty-four thousand, seven hundred forty-three".