54700840 has 16 divisors (see below), whose sum is σ = 123076980. Its totient is φ = 21880320.

The previous prime is 54700813. The next prime is 54700853. The reversal of 54700840 is 4800745.

It can be written as a sum of positive squares in 2 ways, for example, as 52504516 + 2196324 = 7246^2 + 1482^2 .

It is a junction number, because it is equal to n+sod(n) for n = 54700799 and 54700808.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 683721 + ... + 683800.

Almost surely, 2^54700840 is an apocalyptic number.

It is an amenable number.

54700840 is an abundant number, since it is smaller than the sum of its proper divisors (68376140).

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

54700840 is a wasteful number, since it uses less digits than its factorization.

54700840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367532 (or 1367528 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 54700840 is about 7396.0016224985. The cubic root of 54700840 is about 379.6044822872.

The spelling of 54700840 in words is "fifty-four million, seven hundred thousand, eight hundred forty".