49128526 has 16 divisors (see below), whose sum is σ = 76167504. Its totient is φ = 23747904.

The previous prime is 49128493. The next prime is 49128571. The reversal of 49128526 is 62582194.

It is a super-2 number, since 2×49128526² = 4827224133865352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 10026 + ... + 14098.

It is an arithmetic number, because the mean of its divisors is an integer number (4760469).

Almost surely, 2^49128526 is an apocalyptic number.

49128526 is a deficient number, since it is larger than the sum of its proper divisors (27038978).

49128526 is a wasteful number, since it uses less digits than its factorization.

49128526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275.

The product of its digits is 34560, while the sum is 37.

The square root of 49128526 is about 7009.1744164345. The cubic root of 49128526 is about 366.2502344813.

The spelling of 49128526 in words is "forty-nine million, one hundred twenty-eight thousand, five hundred twenty-six".