102553357 has 4 divisors (see below), whose sum is σ = 104488380. Its totient is φ = 100618336.

The previous prime is 102553351. The next prime is 102553369. The reversal of 102553357 is 753355201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 753355201 = 12007 ⋅62743.

It can be written as a sum of positive squares in 2 ways, for example, as 48177481 + 54375876 = 6941^2 + 7374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102553357 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 (102553351) 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, 967432 + ... + 967537.

It is an arithmetic number, because the mean of its divisors is an integer number (26122095).

Almost surely, 2^102553357 is an apocalyptic number.

It is an amenable number.

102553357 is a deficient number, since it is larger than the sum of its proper divisors (1935023).

102553357 is an equidigital number, since it uses as much as digits as its factorization.

102553357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935022.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 102553357 is about 10126.8631372207. The cubic root of 102553357 is about 468.0762729681.

The spelling of 102553357 in words is "one hundred two million, five hundred fifty-three thousand, three hundred fifty-seven".