49331455 has 4 divisors (see below), whose sum is σ = 59197752. Its totient is φ = 39465160.

The previous prime is 49331453. The next prime is 49331479. The reversal of 49331455 is 55413394.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49331455 - 2¹ = 49331453 is a prime.

It is a super-4 number, since 4×49331455⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49331455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49331453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4933141 + ... + 4933150.

It is an arithmetic number, because the mean of its divisors is an integer number (14799438).

Almost surely, 2^49331455 is an apocalyptic number.

49331455 is a deficient number, since it is larger than the sum of its proper divisors (9866297).

49331455 is an equidigital number, since it uses as much as digits as its factorization.

49331455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9866296.

The product of its digits is 32400, while the sum is 34.

The square root of 49331455 is about 7023.6354546631. The cubic root of 49331455 is about 366.7538162910.

The spelling of 49331455 in words is "forty-nine million, three hundred thirty-one thousand, four hundred fifty-five".