54131535 has 24 divisors (see below), whose sum is σ = 97909344. Its totient is φ = 27614400.

The previous prime is 54131531. The next prime is 54131557. The reversal of 54131535 is 53513145.

It is not a de Polignac number, because 54131535 - 2² = 54131531 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 54131499 and 54131508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54131531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25116 + ... + 27185.

It is an arithmetic number, because the mean of its divisors is an integer number (4079556).

Almost surely, 2^54131535 is an apocalyptic number.

54131535 is a deficient number, since it is larger than the sum of its proper divisors (43777809).

54131535 is a wasteful number, since it uses less digits than its factorization.

54131535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52335 (or 52332 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 54131535 is about 7357.4136080555. The cubic root of 54131535 is about 378.2829618919.

The spelling of 54131535 in words is "fifty-four million, one hundred thirty-one thousand, five hundred thirty-five".