49578102 has 96 divisors (see below), whose sum is σ = 131574240. Its totient is φ = 13789440.

The previous prime is 49578101. The next prime is 49578107. The reversal of 49578102 is 20187594.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49578101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108258 + ... + 108714.

It is an arithmetic number, because the mean of its divisors is an integer number (1370565).

Almost surely, 2^49578102 is an apocalyptic number.

49578102 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 49578102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65787120).

49578102 is an abundant number, since it is smaller than the sum of its proper divisors (81996138).

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

49578102 is a wasteful number, since it uses less digits than its factorization.

49578102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 49578102 is about 7041.1719195032. The cubic root of 49578102 is about 367.3640313328.

The spelling of 49578102 in words is "forty-nine million, five hundred seventy-eight thousand, one hundred two".