5515057 has 4 divisors (see below), whose sum is σ = 5521140. Its totient is φ = 5508976.

The previous prime is 5515043. The next prime is 5515061. The reversal of 5515057 is 7505155.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1418481 + 4096576 = 1191^2 + 2024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5515057 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5515087) 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, 1378 + ... + 3595.

It is an arithmetic number, because the mean of its divisors is an integer number (1380285).

Almost surely, 2^5515057 is an apocalyptic number.

It is an amenable number.

5515057 is a deficient number, since it is larger than the sum of its proper divisors (6083).

5515057 is a wasteful number, since it uses less digits than its factorization.

5515057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082.

The product of its (nonzero) digits is 4375, while the sum is 28.

The square root of 5515057 is about 2348.4158490353. The cubic root of 5515057 is about 176.6783501628.

The spelling of 5515057 in words is "five million, five hundred fifteen thousand, fifty-seven".