53972077 has 8 divisors (see below), whose sum is σ = 55000440. Its totient is φ = 52953600.

The previous prime is 53972069. The next prime is 53972101. The reversal of 53972077 is 77027935.

It can be written as a sum of positive squares in 4 ways, for example, as 81796 + 53890281 = 286^2 + 7341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53972077 - 2³ = 53972069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53972057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9049 + ... + 13777.

It is an arithmetic number, because the mean of its divisors is an integer number (6875055).

Almost surely, 2^53972077 is an apocalyptic number.

It is an amenable number.

53972077 is a deficient number, since it is larger than the sum of its proper divisors (1028363).

53972077 is a wasteful number, since it uses less digits than its factorization.

53972077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943.

The product of its (nonzero) digits is 92610, while the sum is 40.

The square root of 53972077 is about 7346.5690631750. The cubic root of 53972077 is about 377.9111541516.

The spelling of 53972077 in words is "fifty-three million, nine hundred seventy-two thousand, seventy-seven".