54691740 has 48 divisors (see below), whose sum is σ = 170153760. Its totient is φ = 14584320.

The previous prime is 54691739. The next prime is 54691757. The reversal of 54691740 is 4719645.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 54691695 and 54691704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50101 + ... + 51180.

It is an arithmetic number, because the mean of its divisors is an integer number (3544870).

Almost surely, 2^54691740 is an apocalyptic number.

It is an amenable number.

54691740 is an abundant number, since it is smaller than the sum of its proper divisors (115462020).

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

54691740 is a wasteful number, since it uses less digits than its factorization.

54691740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101299 (or 101291 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 54691740 is about 7395.3863996413. The cubic root of 54691740 is about 379.5834308593.

The spelling of 54691740 in words is "fifty-four million, six hundred ninety-one thousand, seven hundred forty".