125550053 has 4 divisors (see below), whose sum is σ = 127678080. Its totient is φ = 123422028.

The previous prime is 125550037. The next prime is 125550071. The reversal of 125550053 is 350055521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350055521 = 157 ⋅2229653.

It is a cyclic number.

It is not a de Polignac number, because 125550053 - 2⁴ = 125550037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125550013) 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, 1063925 + ... + 1064042.

It is an arithmetic number, because the mean of its divisors is an integer number (31919520).

Almost surely, 2^125550053 is an apocalyptic number.

It is an amenable number.

125550053 is a deficient number, since it is larger than the sum of its proper divisors (2128027).

125550053 is an equidigital number, since it uses as much as digits as its factorization.

125550053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128026.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 125550053 is about 11204.9120032243. The cubic root of 125550053 is about 500.7323308594.

The spelling of 125550053 in words is "one hundred twenty-five million, five hundred fifty thousand, fifty-three".