49125551 has 2 divisors, whose sum is σ = 49125552. Its totient is φ = 49125550.

The previous prime is 49125547. The next prime is 49125577. The reversal of 49125551 is 15552194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49125551 - 2² = 49125547 is a prime.

It is a super-2 number, since 2×49125551² = 4826639522107202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49125511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24562775 + 24562776.

It is an arithmetic number, because the mean of its divisors is an integer number (24562776).

Almost surely, 2^49125551 is an apocalyptic number.

49125551 is a deficient number, since it is larger than the sum of its proper divisors (1).

49125551 is an equidigital number, since it uses as much as digits as its factorization.

49125551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 32.

The square root of 49125551 is about 7008.9621913661. The cubic root of 49125551 is about 366.2428415162.

The spelling of 49125551 in words is "forty-nine million, one hundred twenty-five thousand, five hundred fifty-one".