57122045 has 8 divisors (see below), whose sum is σ = 68664120. Its totient is φ = 45619200.

The previous prime is 57121993. The next prime is 57122059. The reversal of 57122045 is 54022175.

It can be written as a sum of positive squares in 4 ways, for example, as 23551609 + 33570436 = 4853^2 + 5794^2 .

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

It is not a de Polignac number, because 57122045 - 2¹⁰ = 57121021 is a prime.

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, 6500 + ... + 12509.

It is an arithmetic number, because the mean of its divisors is an integer number (8583015).

Almost surely, 2^57122045 is an apocalyptic number.

It is an amenable number.

57122045 is a deficient number, since it is larger than the sum of its proper divisors (11542075).

57122045 is a wasteful number, since it uses less digits than its factorization.

57122045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19615.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 57122045 is about 7557.9127409623. The cubic root of 57122045 is about 385.1245900250.

It can be divided in two parts, 571220 and 45, that multiplied together give a square (25704900 = 5070²).

The spelling of 57122045 in words is "fifty-seven million, one hundred twenty-two thousand, forty-five".