54431202615 has 32 divisors (see below), whose sum is σ = 87922146816. Its totient is φ = 28753802880.

The previous prime is 54431202577. The next prime is 54431202653. The reversal of 54431202615 is 51620213445.

It is an interprime number because it is at equal distance from previous prime (54431202577) and next prime (54431202653).

It is not a de Polignac number, because 54431202615 - 2¹¹ = 54431200567 is a prime.

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, 670525 + ... + 747305.

It is an arithmetic number, because the mean of its divisors is an integer number (2747567088).

Almost surely, 2^54431202615 is an apocalyptic number.

54431202615 is a deficient number, since it is larger than the sum of its proper divisors (33490944201).

54431202615 is a wasteful number, since it uses less digits than its factorization.

54431202615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77239.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 54431202615 in words is "fifty-four billion, four hundred thirty-one million, two hundred two thousand, six hundred fifteen".