55003351 has 4 divisors (see below), whose sum is σ = 59234392. Its totient is φ = 50772312.

The previous prime is 55003337. The next prime is 55003357. The reversal of 55003351 is 15330055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55003351 - 2¹³ = 54995159 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 (55003357) 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, 2115501 + ... + 2115526.

It is an arithmetic number, because the mean of its divisors is an integer number (14808598).

Almost surely, 2^55003351 is an apocalyptic number.

55003351 is a deficient number, since it is larger than the sum of its proper divisors (4231041).

55003351 is a wasteful number, since it uses less digits than its factorization.

55003351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231040.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 55003351 is about 7416.4244080284. The cubic root of 55003351 is about 380.3029693700.

The spelling of 55003351 in words is "fifty-five million, three thousand, three hundred fifty-one".