54691530 has 16 divisors (see below), whose sum is σ = 131259744. Its totient is φ = 14584400.

The previous prime is 54691529. The next prime is 54691531. The reversal of 54691530 is 3519645.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54691529) and next prime (54691531).

It is a junction number, because it is equal to n+sod(n) for n = 54691491 and 54691500.

It is not an unprimeable number, because it can be changed into a prime (54691531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911496 + ... + 911555.

It is an arithmetic number, because the mean of its divisors is an integer number (8203734).

Almost surely, 2^54691530 is an apocalyptic number.

54691530 is an abundant number, since it is smaller than the sum of its proper divisors (76568214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54691530 is a wasteful number, since it uses less digits than its factorization.

54691530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823061.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 54691530 is about 7395.3722015866. The cubic root of 54691530 is about 379.5829450296.

The spelling of 54691530 in words is "fifty-four million, six hundred ninety-one thousand, five hundred thirty".