2780530552 has 32 divisors (see below), whose sum is σ = 5297080320. Its totient is φ = 1368021600.

The previous prime is 2780530537. The next prime is 2780530567. The reversal of 2780530552 is 2550350872.

It is an interprime number because it is at equal distance from previous prime (2780530537) and next prime (2780530567).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614683 + ... + 619189.

It is an arithmetic number, because the mean of its divisors is an integer number (165533760).

Almost surely, 2^2780530552 is an apocalyptic number.

It is an amenable number.

2780530552 is a deficient number, since it is larger than the sum of its proper divisors (2516549768).

2780530552 is a wasteful number, since it uses less digits than its factorization.

2780530552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5731 (or 5727 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 2780530552 is about 52730.7363119462. The cubic root of 2780530552 is about 1406.1853114684.

The spelling of 2780530552 in words is "two billion, seven hundred eighty million, five hundred thirty thousand, five hundred fifty-two".