53694738 has 96 divisors (see below), whose sum is σ = 130987584. Its totient is φ = 16422912.

The previous prime is 53694737. The next prime is 53694743. The reversal of 53694738 is 83749635.

It is a junction number, because it is equal to n+sod(n) for n = 53694693 and 53694702.

It is not an unprimeable number, because it can be changed into a prime (53694737) 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 47 ways as a sum of consecutive naturals, for example, 553506 + ... + 553602.

It is an arithmetic number, because the mean of its divisors is an integer number (1364454).

Almost surely, 2^53694738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53694738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65493792).

53694738 is an abundant number, since it is smaller than the sum of its proper divisors (77292846).

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

53694738 is a wasteful number, since it uses less digits than its factorization.

53694738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 186 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 53694738 is about 7327.6693429767. The cubic root of 53694738 is about 377.2627352830.

The spelling of 53694738 in words is "fifty-three million, six hundred ninety-four thousand, seven hundred thirty-eight".