54081507 has 4 divisors (see below), whose sum is σ = 72108680. Its totient is φ = 36054336.

The previous prime is 54081497. The next prime is 54081509. The reversal of 54081507 is 70518045.

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

It is not a de Polignac number, because 54081507 - 2¹⁰ = 54080483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54081509) 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, 9013582 + ... + 9013587.

It is an arithmetic number, because the mean of its divisors is an integer number (18027170).

Almost surely, 2^54081507 is an apocalyptic number.

54081507 is a deficient number, since it is larger than the sum of its proper divisors (18027173).

54081507 is a wasteful number, since it uses less digits than its factorization.

54081507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18027172.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 54081507 is about 7354.0129861185. The cubic root of 54081507 is about 378.1663904513.

The spelling of 54081507 in words is "fifty-four million, eighty-one thousand, five hundred seven".