54120525431 has 12 divisors (see below), whose sum is σ = 64987387200. Its totient is φ = 44892600480.

The previous prime is 54120525401. The next prime is 54120525461. The reversal of 54120525431 is 13452502145.

It is an interprime number because it is at equal distance from previous prime (54120525401) and next prime (54120525461).

It is not a de Polignac number, because 54120525431 - 2¹⁸ = 54120263287 is a prime.

It is a super-2 number, since 2×54120525431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54120525401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17813006 + ... + 17816043.

It is an arithmetic number, because the mean of its divisors is an integer number (5415615600).

Almost surely, 2^54120525431 is an apocalyptic number.

54120525431 is a deficient number, since it is larger than the sum of its proper divisors (10866861769).

54120525431 is a wasteful number, since it uses less digits than its factorization.

54120525431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35629094 (or 35629087 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 54120525431 in words is "fifty-four billion, one hundred twenty million, five hundred twenty-five thousand, four hundred thirty-one".