57404765 has 8 divisors (see below), whose sum is σ = 75148128. Its totient is φ = 41748880.

The previous prime is 57404761. The next prime is 57404771. The reversal of 57404765 is 56740475.

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

It is not a de Polignac number, because 57404765 - 2² = 57404761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57404761) 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, 521807 + ... + 521916.

It is an arithmetic number, because the mean of its divisors is an integer number (9393516).

Almost surely, 2^57404765 is an apocalyptic number.

57404765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57404765 is a deficient number, since it is larger than the sum of its proper divisors (17743363).

57404765 is a wasteful number, since it uses less digits than its factorization.

57404765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043739.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 57404765 is about 7576.5932317896. The cubic root of 57404765 is about 385.7589235360.

The spelling of 57404765 in words is "fifty-seven million, four hundred four thousand, seven hundred sixty-five".