49854690 has 80 divisors (see below), whose sum is σ = 136386360. Its totient is φ = 13063680.

The previous prime is 49854671. The next prime is 49854703. The reversal of 49854690 is 9645894.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20985561 + 28869129 = 4581^2 + 5373^2 .

It is a super-4 number, since 4×49854690⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 48906 + ... + 49914.

Almost surely, 2^49854690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49854690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68193180).

49854690 is an abundant number, since it is smaller than the sum of its proper divisors (86531670).

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

49854690 is a wasteful number, since it uses less digits than its factorization.

49854690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 49854690 is about 7060.7853670821. The cubic root of 49854690 is about 368.0459191676.

The spelling of 49854690 in words is "forty-nine million, eight hundred fifty-four thousand, six hundred ninety".