54691630 has 16 divisors (see below), whose sum is σ = 112508640. Its totient is φ = 18751392.

The previous prime is 54691619. The next prime is 54691649. The reversal of 54691630 is 3619645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390585 + ... + 390724.

It is an arithmetic number, because the mean of its divisors is an integer number (7031790).

Almost surely, 2^54691630 is an apocalyptic number.

54691630 is an abundant number, since it is smaller than the sum of its proper divisors (57817010).

54691630 is a wasteful number, since it uses less digits than its factorization.

54691630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781323.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 54691630 is about 7395.3789625684. The cubic root of 54691630 is about 379.5831763772.

The spelling of 54691630 in words is "fifty-four million, six hundred ninety-one thousand, six hundred thirty".