49801542 has 40 divisors (see below), whose sum is σ = 116230296. Its totient is φ = 14224896.

The previous prime is 49801537. The next prime is 49801547. The reversal of 49801542 is 24510894.

It is an interprime number because it is at equal distance from previous prime (49801537) and next prime (49801547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49801547) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12678 + ... + 16134.

Almost surely, 2^49801542 is an apocalyptic number.

49801542 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 49801542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58115148).

49801542 is an abundant number, since it is smaller than the sum of its proper divisors (66428754).

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

49801542 is an equidigital number, since it uses as much as digits as its factorization.

49801542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490 (or 3469 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 49801542 is about 7057.0207594990. The cubic root of 49801542 is about 367.9150865441.

The spelling of 49801542 in words is "forty-nine million, eight hundred one thousand, five hundred forty-two".