49999597 has 2 divisors, whose sum is σ = 49999598. Its totient is φ = 49999596.

The previous prime is 49999589. The next prime is 49999603. The reversal of 49999597 is 79599994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48846121 + 1153476 = 6989^2 + 1074^2 .

It is a cyclic number.

It is not a de Polignac number, because 49999597 - 2³ = 49999589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49999297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999798 + 24999799.

It is an arithmetic number, because the mean of its divisors is an integer number (24999799).

Almost surely, 2^49999597 is an apocalyptic number.

It is an amenable number.

49999597 is a deficient number, since it is larger than the sum of its proper divisors (1).

49999597 is an equidigital number, since it uses as much as digits as its factorization.

49999597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8266860, while the sum is 61.

The square root of 49999597 is about 7071.0393154048. The cubic root of 49999597 is about 368.4021600849.

It can be divided in two parts, 49 and 999597, that multiplied together give a triangular number (48980253 = T₉₈₉₇).

The spelling of 49999597 in words is "forty-nine million, nine hundred ninety-nine thousand, five hundred ninety-seven".