49143654 has 48 divisors (see below), whose sum is σ = 122234112. Its totient is φ = 13978224.

The previous prime is 49143643. The next prime is 49143691. The reversal of 49143654 is 45634194.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32397 + ... + 33879.

It is an arithmetic number, because the mean of its divisors is an integer number (2546544).

Almost surely, 2^49143654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49143654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61117056).

49143654 is an abundant number, since it is smaller than the sum of its proper divisors (73090458).

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

49143654 is a wasteful number, since it uses less digits than its factorization.

49143654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1758 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 49143654 is about 7010.2534904239. The cubic root of 49143654 is about 366.2878234030.

The spelling of 49143654 in words is "forty-nine million, one hundred forty-three thousand, six hundred fifty-four".