49091430 has 32 divisors (see below), whose sum is σ = 122943744. Its totient is φ = 12521696.

The previous prime is 49091401. The next prime is 49091431. The reversal of 49091430 is 3419094.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49091431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34884 + ... + 36263.

It is an arithmetic number, because the mean of its divisors is an integer number (3841992).

Almost surely, 2^49091430 is an apocalyptic number.

49091430 is an abundant number, since it is smaller than the sum of its proper divisors (73852314).

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

49091430 is a wasteful number, since it uses less digits than its factorization.

49091430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71180.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 49091430 is about 7006.5276706797. The cubic root of 49091430 is about 366.1580284464.

The spelling of 49091430 in words is "forty-nine million, ninety-one thousand, four hundred thirty".