54142252493 has 32 divisors (see below), whose sum is σ = 64994586624. Its totient is φ = 44136493632.

The previous prime is 54142252487. The next prime is 54142252499. The reversal of 54142252493 is 39425224145.

54142252493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54142252487) and next prime (54142252499).

It is not a de Polignac number, because 54142252493 - 2¹⁸ = 54141990349 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 54142252493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54142252499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2777246 + ... + 2796672.

It is an arithmetic number, because the mean of its divisors is an integer number (2031080832).

Almost surely, 2^54142252493 is an apocalyptic number.

It is an amenable number.

54142252493 is a deficient number, since it is larger than the sum of its proper divisors (10852334131).

54142252493 is a wasteful number, since it uses less digits than its factorization.

54142252493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19721.

The product of its digits is 345600, while the sum is 41.

The spelling of 54142252493 in words is "fifty-four billion, one hundred forty-two million, two hundred fifty-two thousand, four hundred ninety-three".