49878534 has 32 divisors (see below), whose sum is σ = 105598080. Its totient is φ = 15662592.

The previous prime is 49878533. The next prime is 49878557. The reversal of 49878534 is 43587894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49878533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20869 + ... + 23135.

It is an arithmetic number, because the mean of its divisors is an integer number (3299940).

Almost surely, 2^49878534 is an apocalyptic number.

49878534 is an abundant number, since it is smaller than the sum of its proper divisors (55719546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49878534 is a wasteful number, since it uses less digits than its factorization.

49878534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484.

The product of its digits is 967680, while the sum is 48.

The square root of 49878534 is about 7062.4736459685. The cubic root of 49878534 is about 368.1045849168.

The spelling of 49878534 in words is "forty-nine million, eight hundred seventy-eight thousand, five hundred thirty-four".