1552297894 has 8 divisors (see below), whose sum is σ = 2661082128. Its totient is φ = 665270520.

The previous prime is 1552297883. The next prime is 1552297913. The reversal of 1552297894 is 4987922551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55439197 + ... + 55439224.

It is an arithmetic number, because the mean of its divisors is an integer number (332635266).

Almost surely, 2^1552297894 is an apocalyptic number.

1552297894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1552297894 is a deficient number, since it is larger than the sum of its proper divisors (1108784234).

1552297894 is a wasteful number, since it uses less digits than its factorization.

1552297894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110878430.

The product of its digits is 1814400, while the sum is 52.

The square root of 1552297894 is about 39399.2118449088. The cubic root of 1552297894 is about 1157.8661459863.

The spelling of 1552297894 in words is "one billion, five hundred fifty-two million, two hundred ninety-seven thousand, eight hundred ninety-four".