55745496478 has 16 divisors (see below), whose sum is σ = 97130327904. Its totient is φ = 23499272160.

The previous prime is 55745496463. The next prime is 55745496479. The reversal of 55745496478 is 87469454755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55745496479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32637025 + ... + 32638732.

It is an arithmetic number, because the mean of its divisors is an integer number (6070645494).

Almost surely, 2^55745496478 is an apocalyptic number.

55745496478 is a deficient number, since it is larger than the sum of its proper divisors (41384831426).

55745496478 is a wasteful number, since it uses less digits than its factorization.

55745496478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65275827.

The product of its digits is 169344000, while the sum is 64.

The spelling of 55745496478 in words is "fifty-five billion, seven hundred forty-five million, four hundred ninety-six thousand, four hundred seventy-eight".