49518534 has 16 divisors (see below), whose sum is σ = 106655472. Its totient is φ = 15236448.

The previous prime is 49518493. The next prime is 49518551. The reversal of 49518534 is 43581594.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49518492 and 49518501.

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, 317349 + ... + 317504.

It is an arithmetic number, because the mean of its divisors is an integer number (6665967).

Almost surely, 2^49518534 is an apocalyptic number.

49518534 is an abundant number, since it is smaller than the sum of its proper divisors (57136938).

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

49518534 is a wasteful number, since it uses less digits than its factorization.

49518534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634871.

The product of its digits is 86400, while the sum is 39.

The square root of 49518534 is about 7036.9406704903. The cubic root of 49518534 is about 367.2168432950.

The spelling of 49518534 in words is "forty-nine million, five hundred eighteen thousand, five hundred thirty-four".