57272629 has 4 divisors (see below), whose sum is σ = 57320460. Its totient is φ = 57224800.

The previous prime is 57272627. The next prime is 57272641. The reversal of 57272629 is 92627275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34928100 + 22344529 = 5910^2 + 4727^2 .

It is a cyclic number.

It is not a de Polignac number, because 57272629 - 2¹ = 57272627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57272591 and 57272600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57272623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22072 + ... + 24529.

It is an arithmetic number, because the mean of its divisors is an integer number (14330115).

Almost surely, 2^57272629 is an apocalyptic number.

It is an amenable number.

57272629 is a deficient number, since it is larger than the sum of its proper divisors (47831).

57272629 is a wasteful number, since it uses less digits than its factorization.

57272629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47830.

The product of its digits is 105840, while the sum is 40.

The square root of 57272629 is about 7567.8681938839. The cubic root of 57272629 is about 385.4627123456.

The spelling of 57272629 in words is "fifty-seven million, two hundred seventy-two thousand, six hundred twenty-nine".