57260551 has 4 divisors (see below), whose sum is σ = 57645000. Its totient is φ = 56876104.

The previous prime is 57260549. The next prime is 57260557. The reversal of 57260551 is 15506275.

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

It is a cyclic number.

It is not a de Polignac number, because 57260551 - 2¹ = 57260549 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 (57260557) 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, 192001 + ... + 192298.

It is an arithmetic number, because the mean of its divisors is an integer number (14411250).

Almost surely, 2^57260551 is an apocalyptic number.

57260551 is a deficient number, since it is larger than the sum of its proper divisors (384449).

57260551 is a wasteful number, since it uses less digits than its factorization.

57260551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384448.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 57260551 is about 7567.0701727948. The cubic root of 57260551 is about 385.4356142010.

The spelling of 57260551 in words is "fifty-seven million, two hundred sixty thousand, five hundred fifty-one".