54642002487 has 16 divisors (see below), whose sum is σ = 74607492960. Its totient is φ = 35559235712.

The previous prime is 54642002483. The next prime is 54642002491. The reversal of 54642002487 is 78420024645.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54642002483) and next prime (54642002491).

It is a cyclic number.

It is not a de Polignac number, because 54642002487 - 2² = 54642002483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54642002483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840912 + ... + 903557.

It is an arithmetic number, because the mean of its divisors is an integer number (4662968310).

Almost surely, 2^54642002487 is an apocalyptic number.

54642002487 is a deficient number, since it is larger than the sum of its proper divisors (19965490473).

54642002487 is a wasteful number, since it uses less digits than its factorization.

54642002487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744722.

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 54642002487 in words is "fifty-four billion, six hundred forty-two million, two thousand, four hundred eighty-seven".