54359531 has 4 divisors (see below), whose sum is σ = 54867672. Its totient is φ = 53851392.

The previous prime is 54359527. The next prime is 54359533. The reversal of 54359531 is 13595345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54359531 - 2² = 54359527 is a prime.

It is a super-2 number, since 2×54359531² = 5909917221079922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54359491 and 54359500.

It is not an unprimeable number, because it can be changed into a prime (54359533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253910 + ... + 254123.

It is an arithmetic number, because the mean of its divisors is an integer number (13716918).

Almost surely, 2^54359531 is an apocalyptic number.

54359531 is a deficient number, since it is larger than the sum of its proper divisors (508141).

54359531 is a wasteful number, since it uses less digits than its factorization.

54359531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508140.

The product of its digits is 40500, while the sum is 35.

The square root of 54359531 is about 7372.8916308325. The cubic root of 54359531 is about 378.8133132366.

The spelling of 54359531 in words is "fifty-four million, three hundred fifty-nine thousand, five hundred thirty-one".