49770864 has 120 divisors (see below), whose sum is σ = 163708272. Its totient is φ = 13916160.

The previous prime is 49770859. The next prime is 49770871. The reversal of 49770864 is 46807794.

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, 19384 + ... + 21800.

Almost surely, 2^49770864 is an apocalyptic number.

49770864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49770864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81854136).

49770864 is an abundant number, since it is smaller than the sum of its proper divisors (113937408).

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

49770864 is a wasteful number, since it uses less digits than its factorization.

49770864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 49770864 is about 7054.8468445460. The cubic root of 49770864 is about 367.8395251795.

The spelling of 49770864 in words is "forty-nine million, seven hundred seventy thousand, eight hundred sixty-four".