49142837 has 2 divisors, whose sum is σ = 49142838. Its totient is φ = 49142836.

The previous prime is 49142833. The next prime is 49142857. The reversal of 49142837 is 73824194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37039396 + 12103441 = 6086^2 + 3479^2 .

It is a cyclic number.

It is not a de Polignac number, because 49142837 - 2² = 49142833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49142837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49142831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24571418 + 24571419.

It is an arithmetic number, because the mean of its divisors is an integer number (24571419).

Almost surely, 2^49142837 is an apocalyptic number.

It is an amenable number.

49142837 is a deficient number, since it is larger than the sum of its proper divisors (1).

49142837 is an equidigital number, since it uses as much as digits as its factorization.

49142837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 49142837 is about 7010.1952183944. The cubic root of 49142837 is about 366.2857935796.

The spelling of 49142837 in words is "forty-nine million, one hundred forty-two thousand, eight hundred thirty-seven".